867363872 has 24 divisors (see below), whose sum is σ = 1717504236. Its totient is φ = 431172352.

The previous prime is 867363859. The next prime is 867363901. The reversal of 867363872 is 278363768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 866949136 + 414736 = 29444^2 + 644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 867363872.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72803 + ... + 83874.

Almost surely, 2^867363872 is an apocalyptic number.

It is an amenable number.

867363872 is a deficient number, since it is larger than the sum of its proper divisors (850140364).

867363872 is a wasteful number, since it uses less digits than its factorization.

867363872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156860 (or 156852 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 867363872 is about 29451.0419510074. The cubic root of 867363872 is about 953.6750985291.

The spelling of 867363872 in words is "eight hundred sixty-seven million, three hundred sixty-three thousand, eight hundred seventy-two".