872623017 has 48 divisors (see below), whose sum is σ = 1520942400. Its totient is φ = 492972480.

The previous prime is 872622997. The next prime is 872623033. The reversal of 872623017 is 710326278.

It is not a de Polignac number, because 872623017 - 2⁶ = 872622953 is a prime.

It is a super-2 number, since 2×872623017² = 1522941859596364578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872623067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114042 + ... + 121452.

It is an arithmetic number, because the mean of its divisors is an integer number (31686300).

Almost surely, 2^872623017 is an apocalyptic number.

It is an amenable number.

872623017 is a deficient number, since it is larger than the sum of its proper divisors (648319383).

872623017 is a wasteful number, since it uses less digits than its factorization.

872623017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523 (or 7510 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 872623017 is about 29540.1932458134. The cubic root of 872623017 is about 955.5987097636.

The spelling of 872623017 in words is "eight hundred seventy-two million, six hundred twenty-three thousand, seventeen".