51496784367876 has 81 divisors (see below), whose sum is σ = 130871508868191. Its totient is φ = 17073898251264.

The previous prime is 51496784367863. The next prime is 51496784367911. The reversal of 51496784367876 is 67876348769415.

The square root of 51496784367876 is 7176126.

It is a perfect power (a square), and thus also a powerful number.

51496784367876 is a `hidden beast` number, since 5 + 1 + 49 + 6 + 7 + 8 + 436 + 78 + 76 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7034026926276 + 44462757441600 = 2652174^2 + 6668040^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51496784367795 and 51496784367804.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8309950810 + ... + 8309957006.

Almost surely, 2^{51496784367876} is an apocalyptic number.

51496784367876 is the 7176126-th square number.

It is an amenable number.

51496784367876 is an abundant number, since it is smaller than the sum of its proper divisors (79374724500315).

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

51496784367876 is an frugal number, since it uses more digits than its factorization.

51496784367876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12790 (or 6395 counting only the distinct ones).

The product of its digits is 10241925120, while the sum is 81.

The spelling of 51496784367876 in words is "fifty-one trillion, four hundred ninety-six billion, seven hundred eighty-four million, three hundred sixty-seven thousand, eight hundred seventy-six".