86724464 has 40 divisors (see below), whose sum is σ = 172993392. Its totient is φ = 42094080.

The previous prime is 86724457. The next prime is 86724479. The reversal of 86724464 is 46442768.

It is a super-2 number, since 2×86724464² = 15042265312174592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160034 + ... + 160574.

Almost surely, 2^86724464 is an apocalyptic number.

It is an amenable number.

86724464 is a deficient number, since it is larger than the sum of its proper divisors (86268928).

86724464 is a wasteful number, since it uses less digits than its factorization.

86724464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 819 counting only the distinct ones).

The product of its digits is 258048, while the sum is 41.

The square root of 86724464 is about 9312.5970598969. The cubic root of 86724464 is about 442.6364846521.

The spelling of 86724464 in words is "eighty-six million, seven hundred twenty-four thousand, four hundred sixty-four".