68385579 has 16 divisors (see below), whose sum is σ = 96163200. Its totient is φ = 43108416.

The previous prime is 68385557. The next prime is 68385599. The reversal of 68385579 is 97558386.

It is not a de Polignac number, because 68385579 - 2¹² = 68381483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68385599) 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, 45372 + ... + 46854.

It is an arithmetic number, because the mean of its divisors is an integer number (6010200).

Almost surely, 2^68385579 is an apocalyptic number.

68385579 is a deficient number, since it is larger than the sum of its proper divisors (27777621).

68385579 is a wasteful number, since it uses less digits than its factorization.

68385579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314.

The product of its digits is 1814400, while the sum is 51.

The square root of 68385579 is about 8269.5573642124. The cubic root of 68385579 is about 408.9355274458.

The spelling of 68385579 in words is "sixty-eight million, three hundred eighty-five thousand, five hundred seventy-nine".