85474872 has 64 divisors (see below), whose sum is σ = 271353600. Its totient is φ = 24420960.

The previous prime is 85474819. The next prime is 85474891. The reversal of 85474872 is 27847458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26754 + ... + 29777.

It is an arithmetic number, because the mean of its divisors is an integer number (4239900).

Almost surely, 2^85474872 is an apocalyptic number.

It is an amenable number.

85474872 is an abundant number, since it is smaller than the sum of its proper divisors (185878728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85474872 is a wasteful number, since it uses less digits than its factorization.

85474872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56553 (or 56543 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 85474872 is about 9245.2621379818. The cubic root of 85474872 is about 440.5002437208.

The spelling of 85474872 in words is "eighty-five million, four hundred seventy-four thousand, eight hundred seventy-two".