51407330963978 has 32 divisors (see below), whose sum is σ = 87022218903552. Its totient is φ = 22564354705200.

The previous prime is 51407330963969. The next prime is 51407330963999. The reversal of 51407330963978 is 87936903370415.

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, 81085226 + ... + 81716757.

It is an arithmetic number, because the mean of its divisors is an integer number (2719444340736).

Almost surely, 2^{51407330963978} is an apocalyptic number.

51407330963978 is a deficient number, since it is larger than the sum of its proper divisors (35614887939574).

51407330963978 is a wasteful number, since it uses less digits than its factorization.

51407330963978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162802490.

The product of its (nonzero) digits is 102876480, while the sum is 65.

The spelling of 51407330963978 in words is "fifty-one trillion, four hundred seven billion, three hundred thirty million, nine hundred sixty-three thousand, nine hundred seventy-eight".