51678307222 has 32 divisors (see below), whose sum is σ = 81027570240. Its totient is φ = 24696524160.

The previous prime is 51678307199. The next prime is 51678307249. The reversal of 51678307222 is 22270387615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437604 + ... + 1473112.

It is an arithmetic number, because the mean of its divisors is an integer number (2532111570).

Almost surely, 2^51678307222 is an apocalyptic number.

51678307222 is a deficient number, since it is larger than the sum of its proper divisors (29349263018).

51678307222 is a wasteful number, since it uses less digits than its factorization.

51678307222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35896.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 51678307222 in words is "fifty-one billion, six hundred seventy-eight million, three hundred seven thousand, two hundred twenty-two".