872687508 has 48 divisors (see below), whose sum is σ = 2538729984. Its totient is φ = 226671840.

The previous prime is 872687381. The next prime is 872687509. The reversal of 872687508 is 805786278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872687509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471310 + ... + 473157.

It is an arithmetic number, because the mean of its divisors is an integer number (52890208).

Almost surely, 2^872687508 is an apocalyptic number.

It is an amenable number.

872687508 is an abundant number, since it is smaller than the sum of its proper divisors (1666042476).

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

872687508 is a wasteful number, since it uses less digits than its factorization.

872687508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944492 (or 944490 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The square root of 872687508 is about 29541.2848061827. The cubic root of 872687508 is about 955.6222502834.

The spelling of 872687508 in words is "eight hundred seventy-two million, six hundred eighty-seven thousand, five hundred eight".