7959641904 has 70 divisors (see below), whose sum is σ = 23122165796. Its totient is φ = 2653210080.

The previous prime is 7959641903. The next prime is 7959641923. The reversal of 7959641904 is 4091469597.

It is a happy number.

7959641904 is a `hidden beast` number, since 7 + 9 + 596 + 41 + 9 + 0 + 4 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (7959641903) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 329542 + ... + 352869.

Almost surely, 2^7959641904 is an apocalyptic number.

It is an amenable number.

7959641904 is an abundant number, since it is smaller than the sum of its proper divisors (15162523892).

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

7959641904 is an equidigital number, since it uses as much as digits as its factorization.

7959641904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682437 (or 682416 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 7959641904 is about 89216.8252293254. The cubic root of 7959641904 is about 1996.6311539576.

The spelling of 7959641904 in words is "seven billion, nine hundred fifty-nine million, six hundred forty-one thousand, nine hundred four".