864173360 has 40 divisors (see below), whose sum is σ = 2074022016. Its totient is φ = 334517760.

The previous prime is 864173347. The next prime is 864173363. The reversal of 864173360 is 63371468.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×864173360² = 1493591192267379200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (864173363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171749 + ... + 176708.

Almost surely, 2^864173360 is an apocalyptic number.

864173360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

864173360 is an abundant number, since it is smaller than the sum of its proper divisors (1209848656).

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

864173360 is a wasteful number, since it uses less digits than its factorization.

864173360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348501 (or 348495 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 864173360 is about 29396.8256789743. The cubic root of 864173360 is about 952.5043287371.

The spelling of 864173360 in words is "eight hundred sixty-four million, one hundred seventy-three thousand, three hundred sixty".