867610872 has 64 divisors (see below), whose sum is σ = 2446041600. Its totient is φ = 284882400.

The previous prime is 867610837. The next prime is 867610937. The reversal of 867610872 is 278016768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15504 + ... + 44447.

It is an arithmetic number, because the mean of its divisors is an integer number (38219400).

Almost surely, 2^867610872 is an apocalyptic number.

It is an amenable number.

867610872 is an abundant number, since it is smaller than the sum of its proper divisors (1578430728).

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

867610872 is a wasteful number, since it uses less digits than its factorization.

867610872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60033 (or 60023 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 867610872 is about 29455.2350525335. The cubic root of 867610872 is about 953.7656162463.

The spelling of 867610872 in words is "eight hundred sixty-seven million, six hundred ten thousand, eight hundred seventy-two".