51078876 has 12 divisors (see below), whose sum is σ = 119184072. Its totient is φ = 17026288.

The previous prime is 51078869. The next prime is 51078877. The reversal of 51078876 is 67887015.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51078877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128275 + ... + 2128298.

It is an arithmetic number, because the mean of its divisors is an integer number (9932006).

Almost surely, 2^51078876 is an apocalyptic number.

It is an amenable number.

51078876 is an abundant number, since it is smaller than the sum of its proper divisors (68105196).

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

51078876 is a wasteful number, since it uses less digits than its factorization.

51078876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256580 (or 4256578 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 51078876 is about 7146.9487195586. The cubic root of 51078876 is about 371.0340589138.

The spelling of 51078876 in words is "fifty-one million, seventy-eight thousand, eight hundred seventy-six".