85274464 has 24 divisors (see below), whose sum is σ = 183147048. Its totient is φ = 38760960.

The previous prime is 85274443. The next prime is 85274467. The reversal of 85274464 is 46447258.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85274467) 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, 120777 + ... + 121480.

It is an arithmetic number, because the mean of its divisors is an integer number (7631127).

Almost surely, 2^85274464 is an apocalyptic number.

It is an amenable number.

85274464 is an abundant number, since it is smaller than the sum of its proper divisors (97872584).

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

85274464 is a wasteful number, since it uses less digits than its factorization.

85274464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242278 (or 242270 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 85274464 is about 9234.4173611550. The cubic root of 85274464 is about 440.1557024709.

The spelling of 85274464 in words is "eighty-five million, two hundred seventy-four thousand, four hundred sixty-four".