51877460859 has 48 divisors (see below), whose sum is σ = 81232102656. Its totient is φ = 29362132800.

The previous prime is 51877460851. The next prime is 51877460879. The reversal of 51877460859 is 95806477815.

51877460859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51877460859 - 2³ = 51877460851 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51877460851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7635754 + ... + 7642544.

It is an arithmetic number, because the mean of its divisors is an integer number (1692335472).

Almost surely, 2^51877460859 is an apocalyptic number.

51877460859 is a deficient number, since it is larger than the sum of its proper divisors (29354641797).

51877460859 is a wasteful number, since it uses less digits than its factorization.

51877460859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296 (or 7289 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 60.

The spelling of 51877460859 in words is "fifty-one billion, eight hundred seventy-seven million, four hundred sixty thousand, eight hundred fifty-nine".