3904968076656 has 20 divisors (see below), whose sum is σ = 10087834198152. Its totient is φ = 1301656025536.

The previous prime is 3904968076621. The next prime is 3904968076657. The reversal of 3904968076656 is 6566708694093.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904968076657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40676750751 + ... + 40676750846.

Almost surely, 2^{3904968076656} is an apocalyptic number.

It is an amenable number.

3904968076656 is an abundant number, since it is smaller than the sum of its proper divisors (6182866121496).

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

3904968076656 is a wasteful number, since it uses less digits than its factorization.

3904968076656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81353501608 (or 81353501602 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 69.

The spelling of 3904968076656 in words is "three trillion, nine hundred four billion, nine hundred sixty-eight million, seventy-six thousand, six hundred fifty-six".