85774392052139 has 16 divisors (see below), whose sum is σ = 99705120307200. Its totient is φ = 72263368572864.

The previous prime is 85774392051991. The next prime is 85774392052171. The reversal of 85774392052139 is 93125029347758.

It is not a de Polignac number, because 85774392052139 - 2⁸ = 85774392051883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85774392082139) 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, 13793627 + ... + 19021380.

It is an arithmetic number, because the mean of its divisors is an integer number (6231570019200).

Almost surely, 2^{85774392052139} is an apocalyptic number.

85774392052139 is a deficient number, since it is larger than the sum of its proper divisors (13930728255061).

85774392052139 is a wasteful number, since it uses less digits than its factorization.

85774392052139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32821402.

The product of its (nonzero) digits is 114307200, while the sum is 65.

The spelling of 85774392052139 in words is "eighty-five trillion, seven hundred seventy-four billion, three hundred ninety-two million, fifty-two thousand, one hundred thirty-nine".