696680792365640 has 32 divisors (see below), whose sum is σ = 1587373957296000. Its totient is φ = 275144819262144.

The previous prime is 696680792365567. The next prime is 696680792365721. The reversal of 696680792365640 is 46563297086696.

It is a Smith number, since the sum of its digits (77) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110234299430 + ... + 110234305749.

It is an arithmetic number, because the mean of its divisors is an integer number (49605436165500).

Almost surely, 2^{696680792365640} is an apocalyptic number.

It is an amenable number.

696680792365640 is an abundant number, since it is smaller than the sum of its proper divisors (890693164930360).

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

696680792365640 is a wasteful number, since it uses less digits than its factorization.

696680792365640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220468605269 (or 220468605265 counting only the distinct ones).

The product of its (nonzero) digits is 4232632320, while the sum is 77.

The spelling of 696680792365640 in words is "six hundred ninety-six trillion, six hundred eighty billion, seven hundred ninety-two million, three hundred sixty-five thousand, six hundred forty".