85854990392 has 32 divisors (see below), whose sum is σ = 161286963600. Its totient is φ = 42845220864.

The previous prime is 85854990371. The next prime is 85854990409. The reversal of 85854990392 is 29309945858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9856103 + ... + 9864809.

Almost surely, 2^85854990392 is an apocalyptic number.

It is an amenable number.

85854990392 is a deficient number, since it is larger than the sum of its proper divisors (75431973208).

85854990392 is a wasteful number, since it uses less digits than its factorization.

85854990392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10935 (or 10931 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 62.

The spelling of 85854990392 in words is "eighty-five billion, eight hundred fifty-four million, nine hundred ninety thousand, three hundred ninety-two".