51879642066392 has 32 divisors (see below), whose sum is σ = 113268221229600. Its totient is φ = 21814620382464.

The previous prime is 51879642066383. The next prime is 51879642066463. The reversal of 51879642066392 is 29366024697815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8739828917 + ... + 8739834852.

It is an arithmetic number, because the mean of its divisors is an integer number (3539631913425).

It is a 1-persistent number, because it is pandigital, but 2⋅51879642066392 = 103759284132784 is not.

Almost surely, 2^{51879642066392} is an apocalyptic number.

It is an amenable number.

51879642066392 is an abundant number, since it is smaller than the sum of its proper divisors (61388579163208).

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

51879642066392 is a wasteful number, since it uses less digits than its factorization.

51879642066392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17479663835 (or 17479663831 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 51879642066392 in words is "fifty-one trillion, eight hundred seventy-nine billion, six hundred forty-two million, sixty-six thousand, three hundred ninety-two".