872531877 has 48 divisors (see below), whose sum is σ = 1393244160. Its totient is φ = 484027488.

The previous prime is 872531867. The next prime is 872531911. The reversal of 872531877 is 778135278.

It is not a de Polignac number, because 872531877 - 2¹⁴ = 872515493 is a prime.

It is a super-2 number, since 2×872531877² = 1522623752762286258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872531837) 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, 1409274 + ... + 1409892.

It is an arithmetic number, because the mean of its divisors is an integer number (29025920).

Almost surely, 2^872531877 is an apocalyptic number.

It is an amenable number.

872531877 is a deficient number, since it is larger than the sum of its proper divisors (520712283).

872531877 is a wasteful number, since it uses less digits than its factorization.

872531877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 895 counting only the distinct ones).

The product of its digits is 658560, while the sum is 48.

The square root of 872531877 is about 29538.6505615947. The cubic root of 872531877 is about 955.5654398418.

The spelling of 872531877 in words is "eight hundred seventy-two million, five hundred thirty-one thousand, eight hundred seventy-seven".