870276820 has 48 divisors (see below), whose sum is σ = 2118106368. Its totient is φ = 294174720.

The previous prime is 870276809. The next prime is 870276821. The reversal of 870276820 is 28672078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870276821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33837 + ... + 53716.

It is an arithmetic number, because the mean of its divisors is an integer number (44127216).

Almost surely, 2^870276820 is an apocalyptic number.

It is an amenable number.

870276820 is an abundant number, since it is smaller than the sum of its proper divisors (1247829548).

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

870276820 is a wasteful number, since it uses less digits than its factorization.

870276820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87640 (or 87638 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 870276820 is about 29500.4545727689. The cubic root of 870276820 is about 954.7415105899.

The spelling of 870276820 in words is "eight hundred seventy million, two hundred seventy-six thousand, eight hundred twenty".