867604881 has 16 divisors (see below), whose sum is σ = 1359046080. Its totient is φ = 485373120.

The previous prime is 867604879. The next prime is 867604889. The reversal of 867604881 is 188406768.

It is not a de Polignac number, because 867604881 - 2¹ = 867604879 is a prime.

It is a super-2 number, since 2×867604881² = 1505476459070048322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 867604881.

It is not an unprimeable number, because it can be changed into a prime (867604889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010766 + ... + 1011623.

It is an arithmetic number, because the mean of its divisors is an integer number (84940380).

Almost surely, 2^867604881 is an apocalyptic number.

It is an amenable number.

867604881 is a deficient number, since it is larger than the sum of its proper divisors (491441199).

867604881 is a wasteful number, since it uses less digits than its factorization.

867604881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022416.

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 867604881 is about 29455.1333556648. The cubic root of 867604881 is about 953.7634209369.

The spelling of 867604881 in words is "eight hundred sixty-seven million, six hundred four thousand, eight hundred eighty-one".