7790856736656 has 160 divisors (see below), whose sum is σ = 23948865674496. Its totient is φ = 2136066048000.

The previous prime is 7790856736651. The next prime is 7790856736661. The reversal of 7790856736656 is 6566376580977.

It is an interprime number because it is at equal distance from previous prime (7790856736651) and next prime (7790856736661).

It is not an unprimeable number, because it can be changed into a prime (7790856736651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3795225 + ... + 5475896.

Almost surely, 2^{7790856736656} is an apocalyptic number.

It is an amenable number.

7790856736656 is an abundant number, since it is smaller than the sum of its proper divisors (16158008937840).

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

7790856736656 is a wasteful number, since it uses less digits than its factorization.

7790856736656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271241 (or 9271235 counting only the distinct ones).

The product of its (nonzero) digits is 2400451200, while the sum is 75.

The spelling of 7790856736656 in words is "seven trillion, seven hundred ninety billion, eight hundred fifty-six million, seven hundred thirty-six thousand, six hundred fifty-six".