70988979266256 has 40 divisors (see below), whose sum is σ = 183569231308320. Its totient is φ = 23639633750656.

The previous prime is 70988979266207. The next prime is 70988979266281. The reversal of 70988979266256 is 65266297988907.

It is a super-2 number, since 2×70988979266256² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 729930186 + ... + 730027433.

It is an arithmetic number, because the mean of its divisors is an integer number (4589230782708).

Almost surely, 2^{70988979266256} is an apocalyptic number.

It is an amenable number.

70988979266256 is an abundant number, since it is smaller than the sum of its proper divisors (112580252042064).

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

70988979266256 is a wasteful number, since it uses less digits than its factorization.

70988979266256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459958643 (or 1459958637 counting only the distinct ones).

The product of its (nonzero) digits is 9876142080, while the sum is 84.

The spelling of 70988979266256 in words is "seventy trillion, nine hundred eighty-eight billion, nine hundred seventy-nine million, two hundred sixty-six thousand, two hundred fifty-six".