2447678904 has 256 divisors, whose sum is σ = 7426805760. Its totient is φ = 663552000.

The previous prime is 2447678903. The next prime is 2447678911. The reversal of 2447678904 is 4098767442.

It is a happy number.

2447678904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2447678904² = 11982264034173282432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447678903) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10156224 + ... + 10156464.

It is an arithmetic number, because the mean of its divisors is an integer number (29010960).

Almost surely, 2^2447678904 is an apocalyptic number.

2447678904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2447678904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3713402880).

2447678904 is an abundant number, since it is smaller than the sum of its proper divisors (4979126856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2447678904 is a wasteful number, since it uses less digits than its factorization.

2447678904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The square root of 2447678904 is about 49474.0225168724. The cubic root of 2447678904 is about 1347.6738917106.

The spelling of 2447678904 in words is "two billion, four hundred forty-seven million, six hundred seventy-eight thousand, nine hundred four".