56117847834 has 12 divisors (see below), whose sum is σ = 121588670346. Its totient is φ = 18705949272.

The previous prime is 56117847827. The next prime is 56117847853. The reversal of 56117847834 is 43874871165.

56117847834 is a `hidden beast` number, since 56 + 117 + 8 + 478 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47130239025 + 8987608809 = 217095^2 + 94803^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1558829089 + ... + 1558829124.

Almost surely, 2^56117847834 is an apocalyptic number.

56117847834 is an abundant number, since it is smaller than the sum of its proper divisors (65470822512).

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

56117847834 is a wasteful number, since it uses less digits than its factorization.

56117847834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117658221 (or 3117658218 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 56117847834 in words is "fifty-six billion, one hundred seventeen million, eight hundred forty-seven thousand, eight hundred thirty-four".