870620812722280 has 64 divisors (see below), whose sum is σ = 2022096996288000. Its totient is φ = 337012850254080.

The previous prime is 870620812722217. The next prime is 870620812722329. The reversal of 870620812722280 is 82227218026078.

It is a super-3 number, since 3×870620812722280³ (a number of 46 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267336234 + ... + 270573286.

It is an arithmetic number, because the mean of its divisors is an integer number (31595265567000).

Almost surely, 2^{870620812722280} is an apocalyptic number.

It is an amenable number.

870620812722280 is an abundant number, since it is smaller than the sum of its proper divisors (1151476183565720).

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

870620812722280 is a wasteful number, since it uses less digits than its factorization.

870620812722280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453994 (or 3453990 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 870620812722280 in words is "eight hundred seventy trillion, six hundred twenty billion, eight hundred twelve million, seven hundred twenty-two thousand, two hundred eighty".