872152965 has 12 divisors (see below), whose sum is σ = 1511731884. Its totient is φ = 465148224.

The previous prime is 872152901. The next prime is 872152979. The reversal of 872152965 is 569251278.

It can be written as a sum of positive squares in 2 ways, for example, as 458559396 + 413593569 = 21414^2 + 20337^2 .

It is not a de Polignac number, because 872152965 - 2⁶ = 872152901 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 19381177 = 872152965 / (8 + 7 + 2 + 1 + 5 + 2 + 9 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 872152965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9690544 + ... + 9690633.

It is an arithmetic number, because the mean of its divisors is an integer number (125977657).

Almost surely, 2^872152965 is an apocalyptic number.

It is an amenable number.

872152965 is a deficient number, since it is larger than the sum of its proper divisors (639578919).

872152965 is a wasteful number, since it uses less digits than its factorization.

872152965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19381188 (or 19381185 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 872152965 is about 29532.2360311575. The cubic root of 872152965 is about 955.4270962287.

The spelling of 872152965 in words is "eight hundred seventy-two million, one hundred fifty-two thousand, nine hundred sixty-five".