85457392 has 20 divisors (see below), whose sum is σ = 165867856. Its totient is φ = 42652800.

The previous prime is 85457389. The next prime is 85457399. The reversal of 85457392 is 29375458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85457399) 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, 5173 + ... + 14059.

Almost surely, 2^85457392 is an apocalyptic number.

It is an amenable number.

85457392 is a deficient number, since it is larger than the sum of its proper divisors (80410464).

85457392 is a wasteful number, since it uses less digits than its factorization.

85457392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9496 (or 9490 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 85457392 is about 9244.3167405709. The cubic root of 85457392 is about 440.4702135726.

It can be divided in two parts, 85457 and 392, that added together give a square (85849 = 293²).

The spelling of 85457392 in words is "eighty-five million, four hundred fifty-seven thousand, three hundred ninety-two".