864745465 has 16 divisors (see below), whose sum is σ = 1072189440. Its totient is φ = 668842560.

The previous prime is 864745457. The next prime is 864745471. The reversal of 864745465 is 564547468.

It is not a de Polignac number, because 864745465 - 2³ = 864745457 is a prime.

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, 221107 + ... + 224983.

It is an arithmetic number, because the mean of its divisors is an integer number (67011840).

Almost surely, 2^864745465 is an apocalyptic number.

It is an amenable number.

864745465 is a deficient number, since it is larger than the sum of its proper divisors (207443975).

864745465 is a wasteful number, since it uses less digits than its factorization.

864745465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352.

The product of its digits is 3225600, while the sum is 49.

The square root of 864745465 is about 29406.5547965075. The cubic root of 864745465 is about 952.7144764942.

The spelling of 864745465 in words is "eight hundred sixty-four million, seven hundred forty-five thousand, four hundred sixty-five".