51176970873 has 18 divisors (see below), whose sum is σ = 85991237514. Its totient is φ = 29243983104.

The previous prime is 51176970863. The next prime is 51176970907. The reversal of 51176970873 is 37807967115.

It can be written as a sum of positive squares in only one way, i.e., 50038110864 + 1138860009 = 223692^2 + 33747^2 .

It is not a de Polignac number, because 51176970873 - 2¹² = 51176966777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51176970863) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58023336 + ... + 58024217.

It is an arithmetic number, because the mean of its divisors is an integer number (4777290973).

Almost surely, 2^51176970873 is an apocalyptic number.

It is an amenable number.

51176970873 is a deficient number, since it is larger than the sum of its proper divisors (34814266641).

51176970873 is a wasteful number, since it uses less digits than its factorization.

51176970873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116047573 (or 116047563 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 54.

The spelling of 51176970873 in words is "fifty-one billion, one hundred seventy-six million, nine hundred seventy thousand, eight hundred seventy-three".