51700715676 has 72 divisors (see below), whose sum is σ = 133135402400. Its totient is φ = 16912126080.

The previous prime is 51700715629. The next prime is 51700715711. The reversal of 51700715676 is 67651700715.

51700715676 is a `hidden beast` number, since 5 + 17 + 0 + 0 + 71 + 567 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937230 + ... + 990858.

Almost surely, 2^51700715676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51700715676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66567701200).

51700715676 is an abundant number, since it is smaller than the sum of its proper divisors (81434686724).

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

51700715676 is a wasteful number, since it uses less digits than its factorization.

51700715676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54139 (or 54134 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 45.

It can be divided in two parts, 51700 and 715676, that added together give a square (767376 = 876²).

The spelling of 51700715676 in words is "fifty-one billion, seven hundred million, seven hundred fifteen thousand, six hundred seventy-six".