68975976897 has 8 divisors (see below), whose sum is σ = 102186632480. Its totient is φ = 45983984580.

The previous prime is 68975976889. The next prime is 68975976907. The reversal of 68975976897 is 79867957986.

It is not a de Polignac number, because 68975976897 - 2³ = 68975976889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68975976857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277332879 + ... + 1277332932.

It is an arithmetic number, because the mean of its divisors is an integer number (12773329060).

Almost surely, 2^68975976897 is an apocalyptic number.

It is an amenable number.

68975976897 is a deficient number, since it is larger than the sum of its proper divisors (33210655583).

68975976897 is a wasteful number, since it uses less digits than its factorization.

68975976897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554665820 (or 2554665814 counting only the distinct ones).

The product of its digits is 2880541440, while the sum is 81.

The spelling of 68975976897 in words is "sixty-eight billion, nine hundred seventy-five million, nine hundred seventy-six thousand, eight hundred ninety-seven".