85428124 has 6 divisors (see below), whose sum is σ = 149499224. Its totient is φ = 42714060.

The previous prime is 85428089. The next prime is 85428181. The reversal of 85428124 is 42182458.

It is a self number, because there is not a number n which added to its sum of digits gives 85428124.

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, 10678512 + ... + 10678519.

Almost surely, 2^85428124 is an apocalyptic number.

It is an amenable number.

85428124 is a deficient number, since it is larger than the sum of its proper divisors (64071100).

85428124 is a wasteful number, since it uses less digits than its factorization.

85428124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21357035 (or 21357033 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 85428124 is about 9242.7335783306. The cubic root of 85428124 is about 440.4199228022.

The spelling of 85428124 in words is "eighty-five million, four hundred twenty-eight thousand, one hundred twenty-four".