4646470878 has 240 divisors, whose sum is σ = 12699064224. Its totient is φ = 1242915840.

The previous prime is 4646470861. The next prime is 4646470883. The reversal of 4646470878 is 8780746464.

4646470878 is a `hidden beast` number, since 46 + 464 + 70 + 8 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 63650250 + ... + 63650322.

Almost surely, 2^4646470878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4646470878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6349532112).

4646470878 is an abundant number, since it is smaller than the sum of its proper divisors (8052593346).

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

4646470878 is a wasteful number, since it uses less digits than its factorization.

4646470878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The square root of 4646470878 is about 68165.0267952709. The cubic root of 4646470878 is about 1668.6851708687.

The spelling of 4646470878 in words is "four billion, six hundred forty-six million, four hundred seventy thousand, eight hundred seventy-eight".