68890962774 has 64 divisors (see below), whose sum is σ = 146084440320. Its totient is φ = 21597840000.

The previous prime is 68890962757. The next prime is 68890962817. The reversal of 68890962774 is 47726909886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13636549 + ... + 13641599.

It is an arithmetic number, because the mean of its divisors is an integer number (2282569380).

Almost surely, 2^68890962774 is an apocalyptic number.

68890962774 is an abundant number, since it is smaller than the sum of its proper divisors (77193477546).

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

68890962774 is a wasteful number, since it uses less digits than its factorization.

68890962774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917.

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 68890962774 in words is "sixty-eight billion, eight hundred ninety million, nine hundred sixty-two thousand, seven hundred seventy-four".