51467915077 has 8 divisors (see below), whose sum is σ = 51681456792. Its totient is φ = 51254476800.

The previous prime is 51467915071. The next prime is 51467915117. The reversal of 51467915077 is 77051976415.

It can be written as a sum of positive squares in 4 ways, for example, as 31312718116 + 20155196961 = 176954^2 + 141969^2 .

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 51467915077 - 2³ = 51467915069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51467915071) 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, 1066327 + ... + 1113547.

It is an arithmetic number, because the mean of its divisors is an integer number (6460182099).

Almost surely, 2^51467915077 is an apocalyptic number.

It is an amenable number.

51467915077 is a deficient number, since it is larger than the sum of its proper divisors (213541715).

51467915077 is a wasteful number, since it uses less digits than its factorization.

51467915077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51719.

The product of its (nonzero) digits is 1852200, while the sum is 52.

The spelling of 51467915077 in words is "fifty-one billion, four hundred sixty-seven million, nine hundred fifteen thousand, seventy-seven".