68870551377 has 16 divisors (see below), whose sum is σ = 95958632448. Its totient is φ = 43853866320.

The previous prime is 68870551369. The next prime is 68870551441. The reversal of 68870551377 is 77315507886.

It is not a de Polignac number, because 68870551377 - 2³ = 68870551369 is a prime.

It is a super-2 number, since 2×68870551377² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68870551307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674553 + ... + 769910.

It is an arithmetic number, because the mean of its divisors is an integer number (5997414528).

Almost surely, 2^68870551377 is an apocalyptic number.

It is an amenable number.

68870551377 is a deficient number, since it is larger than the sum of its proper divisors (27088081071).

68870551377 is a wasteful number, since it uses less digits than its factorization.

68870551377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445180.

The product of its (nonzero) digits is 9878400, while the sum is 57.

The spelling of 68870551377 in words is "sixty-eight billion, eight hundred seventy million, five hundred fifty-one thousand, three hundred seventy-seven".