51073036887 has 32 divisors (see below), whose sum is σ = 75410208000. Its totient is φ = 30616427520.

The previous prime is 51073036867. The next prime is 51073036891. The reversal of 51073036887 is 78863037015.

51073036887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51073036887 - 2⁸ = 51073036631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51073036867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164314 + ... + 359367.

It is an arithmetic number, because the mean of its divisors is an integer number (2356569000).

Almost surely, 2^51073036887 is an apocalyptic number.

51073036887 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

51073036887 is a deficient number, since it is larger than the sum of its proper divisors (24337171113).

51073036887 is a wasteful number, since it uses less digits than its factorization.

51073036887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523791.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 51073036887 in words is "fifty-one billion, seventy-three million, thirty-six thousand, eight hundred eighty-seven".