68977869997062 has 64 divisors (see below), whose sum is σ = 155417607576000. Its totient is φ = 20261850943488.

The previous prime is 68977869996979. The next prime is 68977869997067. The reversal of 68977869997062 is 26079996877986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68977869997067) 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, 171114387 + ... + 171517022.

It is an arithmetic number, because the mean of its divisors is an integer number (2428400118375).

Almost surely, 2^{68977869997062} is an apocalyptic number.

68977869997062 is an abundant number, since it is smaller than the sum of its proper divisors (86439737578938).

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

68977869997062 is a wasteful number, since it uses less digits than its factorization.

68977869997062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342631545.

The product of its (nonzero) digits is 62219695104, while the sum is 93.

The spelling of 68977869997062 in words is "sixty-eight trillion, nine hundred seventy-seven billion, eight hundred sixty-nine million, nine hundred ninety-seven thousand, sixty-two".