51077040870 has 32 divisors (see below), whose sum is σ = 122762350080. Its totient is φ = 13600827360.

The previous prime is 51077040857. The next prime is 51077040887. The reversal of 51077040870 is 7804077015.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1211230 + ... + 1252689.

It is an arithmetic number, because the mean of its divisors is an integer number (3836323440).

Almost surely, 2^51077040870 is an apocalyptic number.

51077040870 is an abundant number, since it is smaller than the sum of its proper divisors (71685309210).

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

51077040870 is a wasteful number, since it uses less digits than its factorization.

51077040870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464620.

The product of its (nonzero) digits is 54880, while the sum is 39.

The spelling of 51077040870 in words is "fifty-one billion, seventy-seven million, forty thousand, eight hundred seventy".