51077870458813 has 8 divisors (see below), whose sum is σ = 55726671686400. Its totient is φ = 46429962307680.

The previous prime is 51077870458793. The next prime is 51077870458831. The reversal of 51077870458813 is 31885407877015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51077870458813 - 2⁹ = 51077870458301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51077870455813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223149520 + ... + 223378297.

It is an arithmetic number, because the mean of its divisors is an integer number (6965833960800).

Almost surely, 2^{51077870458813} is an apocalyptic number.

It is an amenable number.

51077870458813 is a deficient number, since it is larger than the sum of its proper divisors (4648801227587).

51077870458813 is a wasteful number, since it uses less digits than its factorization.

51077870458813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446538227.

The product of its (nonzero) digits is 52684800, while the sum is 64.

The spelling of 51077870458813 in words is "fifty-one trillion, seventy-seven billion, eight hundred seventy million, four hundred fifty-eight thousand, eight hundred thirteen".