51677907885 has 24 divisors (see below), whose sum is σ = 91480896000. Its totient is φ = 26975133792.

The previous prime is 51677907863. The next prime is 51677907913. The reversal of 51677907885 is 58870977615.

It is not a de Polignac number, because 51677907885 - 2⁸ = 51677907629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12214885 + ... + 12219114.

It is an arithmetic number, because the mean of its divisors is an integer number (3811704000).

Almost surely, 2^51677907885 is an apocalyptic number.

It is an amenable number.

51677907885 is a deficient number, since it is larger than the sum of its proper divisors (39802988115).

51677907885 is a wasteful number, since it uses less digits than its factorization.

51677907885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24434057 (or 24434054 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 63.

The spelling of 51677907885 in words is "fifty-one billion, six hundred seventy-seven million, nine hundred seven thousand, eight hundred eighty-five".