870850512 has 240 divisors, whose sum is σ = 2977428480. Its totient is φ = 232485120.

The previous prime is 870850499. The next prime is 870850531. The reversal of 870850512 is 215058078.

It is a super-2 number, since 2×870850512² = 1516761228501324288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28091937 + ... + 28091967.

It is an arithmetic number, because the mean of its divisors is an integer number (12405952).

Almost surely, 2^870850512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870850512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488714240).

870850512 is an abundant number, since it is smaller than the sum of its proper divisors (2106577968).

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

870850512 is a wasteful number, since it uses less digits than its factorization.

870850512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 870850512 is about 29510.1764142473. The cubic root of 870850512 is about 954.9512550616.

The spelling of 870850512 in words is "eight hundred seventy million, eight hundred fifty thousand, five hundred twelve".