70797636560 has 80 divisors (see below), whose sum is σ = 188819164800. Its totient is φ = 24183187968.

The previous prime is 70797636557. The next prime is 70797636583. The reversal of 70797636560 is 6563679707.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 70797636496 and 70797636505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84350 + ... + 385629.

It is an arithmetic number, because the mean of its divisors is an integer number (2360239560).

Almost surely, 2^70797636560 is an apocalyptic number.

70797636560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70797636560 is an abundant number, since it is smaller than the sum of its proper divisors (118021528240).

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

70797636560 is a wasteful number, since it uses less digits than its factorization.

70797636560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470268 (or 470262 counting only the distinct ones).

The product of its (nonzero) digits is 10001880, while the sum is 56.

The spelling of 70797636560 in words is "seventy billion, seven hundred ninety-seven million, six hundred thirty-six thousand, five hundred sixty".