870332388 has 12 divisors (see below), whose sum is σ = 2030775600. Its totient is φ = 290110792.

The previous prime is 870332377. The next prime is 870332401. The reversal of 870332388 is 883233078.

It is a tau number, because it is divible by the number of its divisors (12).

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, 36263838 + ... + 36263861.

It is an arithmetic number, because the mean of its divisors is an integer number (169231300).

Almost surely, 2^870332388 is an apocalyptic number.

It is an amenable number.

870332388 is an abundant number, since it is smaller than the sum of its proper divisors (1160443212).

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

870332388 is a wasteful number, since it uses less digits than its factorization.

870332388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72527706 (or 72527704 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 870332388 is about 29501.3963737312. The cubic root of 870332388 is about 954.7618305409.

The spelling of 870332388 in words is "eight hundred seventy million, three hundred thirty-two thousand, three hundred eighty-eight".