3824520678 has 128 divisors (see below), whose sum is σ = 9799488000. Its totient is φ = 1093461120.

The previous prime is 3824520673. The next prime is 3824520683. The reversal of 3824520678 is 8760254283.

3824520678 is a `hidden beast` number, since 38 + 24 + 520 + 6 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (3824520673) and next prime (3824520683).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3824520673) 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, 3577128 + ... + 3578196.

It is an arithmetic number, because the mean of its divisors is an integer number (76558500).

Almost surely, 2^3824520678 is an apocalyptic number.

3824520678 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3824520678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4899744000).

3824520678 is an abundant number, since it is smaller than the sum of its proper divisors (5974967322).

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

3824520678 is a wasteful number, since it uses less digits than its factorization.

3824520678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 3824520678 is about 61842.7091741622. The cubic root of 3824520678 is about 1563.8400735975.

The spelling of 3824520678 in words is "three billion, eight hundred twenty-four million, five hundred twenty thousand, six hundred seventy-eight".