870037990 has 16 divisors (see below), whose sum is σ = 1620071280. Its totient is φ = 336014560.

The previous prime is 870037979. The next prime is 870038021. The reversal of 870037990 is 99730078.

It is a super-2 number, since 2×870037990² = 1513932208086480200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499776 + ... + 1500355.

It is an arithmetic number, because the mean of its divisors is an integer number (101254455).

Almost surely, 2^870037990 is an apocalyptic number.

870037990 is a deficient number, since it is larger than the sum of its proper divisors (750033290).

870037990 is a wasteful number, since it uses less digits than its factorization.

870037990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000167.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 870037990 is about 29496.4063912877. The cubic root of 870037990 is about 954.6541660533.

The spelling of 870037990 in words is "eight hundred seventy million, thirty-seven thousand, nine hundred ninety".