68258756079 has 32 divisors (see below), whose sum is σ = 101931007680. Its totient is φ = 45143654400.

The previous prime is 68258756063. The next prime is 68258756081. The reversal of 68258756079 is 97065785286.

68258756079 is a `hidden beast` number, since 68 + 2 + 5 + 8 + 7 + 560 + 7 + 9 = 666.

It is not a de Polignac number, because 68258756079 - 2⁴ = 68258756063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68258756029) 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, 2704639 + ... + 2729759.

It is an arithmetic number, because the mean of its divisors is an integer number (3185343990).

Almost surely, 2^68258756079 is an apocalyptic number.

68258756079 is a deficient number, since it is larger than the sum of its proper divisors (33672251601).

68258756079 is a wasteful number, since it uses less digits than its factorization.

68258756079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25928 (or 25922 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 68258756079 in words is "sixty-eight billion, two hundred fifty-eight million, seven hundred fifty-six thousand, seventy-nine".