870088398 has 16 divisors (see below), whose sum is σ = 1766150400. Its totient is φ = 285700536.

The previous prime is 870088397. The next prime is 870088409. The reversal of 870088398 is 893880078.

It is a self number, because there is not a number n which added to its sum of digits gives 870088398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870088397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081798 + ... + 1082601.

It is an arithmetic number, because the mean of its divisors is an integer number (110384400).

Almost surely, 2^870088398 is an apocalyptic number.

870088398 is an abundant number, since it is smaller than the sum of its proper divisors (896062002).

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

870088398 is a wasteful number, since it uses less digits than its factorization.

870088398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164471.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 870088398 is about 29497.2608558829. The cubic root of 870088398 is about 954.6726025194.

The spelling of 870088398 in words is "eight hundred seventy million, eighty-eight thousand, three hundred ninety-eight".