85279499092 has 6 divisors (see below), whose sum is σ = 149239123418. Its totient is φ = 42639749544.

The previous prime is 85279499059. The next prime is 85279499143. The reversal of 85279499092 is 29099497258.

It can be written as a sum of positive squares in only one way, i.e., 59694216976 + 25585282116 = 244324^2 + 159954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10659937383 + ... + 10659937390.

Almost surely, 2^85279499092 is an apocalyptic number.

It is an amenable number.

85279499092 is a deficient number, since it is larger than the sum of its proper divisors (63959624326).

85279499092 is a wasteful number, since it uses less digits than its factorization.

85279499092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319874777 (or 21319874775 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 85279499092 in words is "eighty-five billion, two hundred seventy-nine million, four hundred ninety-nine thousand, ninety-two".