85139762044 has 12 divisors (see below), whose sum is σ = 151437118168. Its totient is φ = 41872014000.

The previous prime is 85139762023. The next prime is 85139762093. The reversal of 85139762044 is 44026793158.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174466482 + ... + 174466969.

It is a 1-persistent number, because it is pandigital, but 2⋅85139762044 = 170279524088 is not.

Almost surely, 2^85139762044 is an apocalyptic number.

It is an amenable number.

85139762044 is a deficient number, since it is larger than the sum of its proper divisors (66297356124).

85139762044 is a wasteful number, since it uses less digits than its factorization.

85139762044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348933516 (or 348933514 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 85139762044 in words is "eighty-five billion, one hundred thirty-nine million, seven hundred sixty-two thousand, forty-four".