85399973432 has 16 divisors (see below), whose sum is σ = 160367941800. Its totient is φ = 42635188960.

The previous prime is 85399973431. The next prime is 85399973441. The reversal of 85399973432 is 23437999358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85399973431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8094119 + ... + 8104662.

Almost surely, 2^85399973432 is an apocalyptic number.

It is an amenable number.

85399973432 is a deficient number, since it is larger than the sum of its proper divisors (74967968368).

85399973432 is a wasteful number, since it uses less digits than its factorization.

85399973432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16199446 (or 16199442 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 62.

The spelling of 85399973432 in words is "eighty-five billion, three hundred ninety-nine million, nine hundred seventy-three thousand, four hundred thirty-two".