68975710984 has 8 divisors (see below), whose sum is σ = 129329458110. Its totient is φ = 34487855488.

The previous prime is 68975710961. The next prime is 68975711003. The reversal of 68975710984 is 48901757986.

It can be written as a sum of positive squares in only one way, i.e., 67563604900 + 1412106084 = 259930^2 + 37578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4310981929 + ... + 4310981944.

Almost surely, 2^68975710984 is an apocalyptic number.

It is an amenable number.

68975710984 is a deficient number, since it is larger than the sum of its proper divisors (60353747126).

68975710984 is a wasteful number, since it uses less digits than its factorization.

68975710984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621963879 (or 8621963875 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 68975710984 in words is "sixty-eight billion, nine hundred seventy-five million, seven hundred ten thousand, nine hundred eighty-four".