864451312 has 10 divisors (see below), whose sum is σ = 1674874448. Its totient is φ = 432225648.

The previous prime is 864451283. The next prime is 864451319. The reversal of 864451312 is 213154468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864451319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27014088 + ... + 27014119.

Almost surely, 2^864451312 is an apocalyptic number.

It is an amenable number.

864451312 is a deficient number, since it is larger than the sum of its proper divisors (810423136).

864451312 is a wasteful number, since it uses less digits than its factorization.

864451312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54028215 (or 54028209 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 864451312 is about 29401.5528841590. The cubic root of 864451312 is about 952.6064386901.

The spelling of 864451312 in words is "eight hundred sixty-four million, four hundred fifty-one thousand, three hundred twelve".