872454665 has 16 divisors (see below), whose sum is σ = 1061678016. Its totient is φ = 688200000.

The previous prime is 872454643. The next prime is 872454707. The reversal of 872454665 is 566454278.

It is not a de Polignac number, because 872454665 - 2⁶ = 872454601 is a prime.

It is a super-2 number, since 2×872454665² = 1522354284960524450, which contains 22 as substring.

It is a Duffinian number.

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, 123314 + ... + 130196.

It is an arithmetic number, because the mean of its divisors is an integer number (66354876).

Almost surely, 2^872454665 is an apocalyptic number.

It is an amenable number.

872454665 is a deficient number, since it is larger than the sum of its proper divisors (189223351).

872454665 is a wasteful number, since it uses less digits than its factorization.

872454665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240.

The product of its digits is 1612800, while the sum is 47.

The square root of 872454665 is about 29537.3435670847. The cubic root of 872454665 is about 955.5372524112.

The spelling of 872454665 in words is "eight hundred seventy-two million, four hundred fifty-four thousand, six hundred sixty-five".