870463820 has 12 divisors (see below), whose sum is σ = 1827974064. Its totient is φ = 348185520.

The previous prime is 870463817. The next prime is 870463837. The reversal of 870463820 is 28364078.

870463820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 21761576 + ... + 21761615.

It is an arithmetic number, because the mean of its divisors is an integer number (152331172).

Almost surely, 2^870463820 is an apocalyptic number.

It is an amenable number.

870463820 is an abundant number, since it is smaller than the sum of its proper divisors (957510244).

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

870463820 is a wasteful number, since it uses less digits than its factorization.

870463820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43523200 (or 43523198 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 870463820 is about 29503.6238452160. The cubic root of 870463820 is about 954.8098887857.

The spelling of 870463820 in words is "eight hundred seventy million, four hundred sixty-three thousand, eight hundred twenty".