70788664896 has 28 divisors (see below), whose sum is σ = 187295009712. Its totient is φ = 23596221568.

The previous prime is 70788664829. The next prime is 70788664909. The reversal of 70788664896 is 69846688707.

It is a super-2 number, since 2×70788664896² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70788664896.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184345290 + ... + 184345673.

Almost surely, 2^70788664896 is an apocalyptic number.

It is an amenable number.

70788664896 is an abundant number, since it is smaller than the sum of its proper divisors (116506344816).

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

70788664896 is a wasteful number, since it uses less digits than its factorization.

70788664896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368690978 (or 368690968 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 69.

The spelling of 70788664896 in words is "seventy billion, seven hundred eighty-eight million, six hundred sixty-four thousand, eight hundred ninety-six".