870022804842 has 40 divisors (see below), whose sum is σ = 1960764367716. Its totient is φ = 288331247808.

The previous prime is 870022804811. The next prime is 870022804843. The reversal of 870022804842 is 248408220078.

870022804842 is a `hidden beast` number, since 8 + 70 + 0 + 22 + 80 + 484 + 2 = 666.

870022804842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 835979233761 + 34043571081 = 914319^2 + 184509^2 .

It is not an unprimeable number, because it can be changed into a prime (870022804843) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15493683 + ... + 15549734.

Almost surely, 2^870022804842 is an apocalyptic number.

870022804842 is an abundant number, since it is smaller than the sum of its proper divisors (1090741562874).

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

870022804842 is a wasteful number, since it uses less digits than its factorization.

870022804842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31043604 (or 31043595 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 45.

The spelling of 870022804842 in words is "eight hundred seventy billion, twenty-two million, eight hundred four thousand, eight hundred forty-two".