51768868678 has 16 divisors (see below), whose sum is σ = 77954217264. Its totient is φ = 25784247520.

The previous prime is 51768868667. The next prime is 51768868693. The reversal of 51768868678 is 87686886715.

51768868678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 876108 + ... + 933328.

It is an arithmetic number, because the mean of its divisors is an integer number (4872138579).

Almost surely, 2^51768868678 is an apocalyptic number.

51768868678 is a deficient number, since it is larger than the sum of its proper divisors (26185348586).

51768868678 is a wasteful number, since it uses less digits than its factorization.

51768868678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58967.

The product of its digits is 216760320, while the sum is 70.

The spelling of 51768868678 in words is "fifty-one billion, seven hundred sixty-eight million, eight hundred sixty-eight thousand, six hundred seventy-eight".