68725887315 has 16 divisors (see below), whose sum is σ = 112036164768. Its totient is φ = 35962224896.

The previous prime is 68725887289. The next prime is 68725887319. The reversal of 68725887315 is 51378852786.

It is a cyclic number.

It is not a de Polignac number, because 68725887315 - 2¹⁹ = 68725363027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68725887319) 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, 43223034 + ... + 43224623.

It is an arithmetic number, because the mean of its divisors is an integer number (7002260298).

Almost surely, 2^68725887315 is an apocalyptic number.

68725887315 is a deficient number, since it is larger than the sum of its proper divisors (43310277453).

68725887315 is a wasteful number, since it uses less digits than its factorization.

68725887315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86447718.

The product of its digits is 22579200, while the sum is 60.

The spelling of 68725887315 in words is "sixty-eight billion, seven hundred twenty-five million, eight hundred eighty-seven thousand, three hundred fifteen".