872508366 has 24 divisors (see below), whose sum is σ = 1926105480. Its totient is φ = 285348336.

The previous prime is 872508349. The next prime is 872508383. The reversal of 872508366 is 663805278.

872508366 is a `hidden beast` number, since 87 + 2 + 508 + 3 + 66 = 666.

It is an interprime number because it is at equal distance from previous prime (872508349) and next prime (872508383).

It is a super-2 number, since 2×872508366² = 1522541697479979912, which contains 22 as substring.

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, 456336 + ... + 458243.

It is an arithmetic number, because the mean of its divisors is an integer number (80254395).

Almost surely, 2^872508366 is an apocalyptic number.

872508366 is an abundant number, since it is smaller than the sum of its proper divisors (1053597114).

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

872508366 is a wasteful number, since it uses less digits than its factorization.

872508366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914640 (or 914637 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 872508366 is about 29538.2525888042. The cubic root of 872508366 is about 955.5568569650.

The spelling of 872508366 in words is "eight hundred seventy-two million, five hundred eight thousand, three hundred sixty-six".