85902091024 has 10 divisors (see below), whose sum is σ = 166435301390. Its totient is φ = 42951045504.

The previous prime is 85902091013. The next prime is 85902091057. The reversal of 85902091024 is 42019020958.

It can be written as a sum of positive squares in only one way, i.e., 85860720400 + 41370624 = 293020^2 + 6432^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2684440329 + ... + 2684440360.

It is an arithmetic number, because the mean of its divisors is an integer number (16643530139).

Almost surely, 2^85902091024 is an apocalyptic number.

It is an amenable number.

85902091024 is a deficient number, since it is larger than the sum of its proper divisors (80533210366).

85902091024 is a wasteful number, since it uses less digits than its factorization.

85902091024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368880697 (or 5368880691 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 85902091024 in words is "eighty-five billion, nine hundred two million, ninety-one thousand, twenty-four".