872631958 has 16 divisors (see below), whose sum is σ = 1474007040. Its totient is φ = 383855400.

The previous prime is 872631941. The next prime is 872631959. The reversal of 872631958 is 859136278.

It is a super-2 number, since 2×872631958² = 1522973068245827528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872631959) 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 7 ways as a sum of consecutive naturals, for example, 639078 + ... + 640441.

It is an arithmetic number, because the mean of its divisors is an integer number (92125440).

Almost surely, 2^872631958 is an apocalyptic number.

872631958 is a deficient number, since it is larger than the sum of its proper divisors (601375082).

872631958 is a wasteful number, since it uses less digits than its factorization.

872631958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279563.

The product of its digits is 725760, while the sum is 49.

The square root of 872631958 is about 29540.3445816057. The cubic root of 872631958 is about 955.6019734788.

The spelling of 872631958 in words is "eight hundred seventy-two million, six hundred thirty-one thousand, nine hundred fifty-eight".