51827116788 has 36 divisors (see below), whose sum is σ = 135859563840. Its totient is φ = 17275705272.

The previous prime is 51827116777. The next prime is 51827116799. The reversal of 51827116788 is 88761172815.

51827116788 is a `hidden beast` number, since 518 + 2 + 7 + 116 + 7 + 8 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (51827116777) and next prime (51827116799).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26659068 + ... + 26661011.

Almost surely, 2^51827116788 is an apocalyptic number.

It is an amenable number.

51827116788 is an abundant number, since it is smaller than the sum of its proper divisors (84032447052).

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

51827116788 is a wasteful number, since it uses less digits than its factorization.

51827116788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53320098 (or 53320084 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 54.

The spelling of 51827116788 in words is "fifty-one billion, eight hundred twenty-seven million, one hundred sixteen thousand, seven hundred eighty-eight".