870378712 has 64 divisors (see below), whose sum is σ = 1912273920. Its totient is φ = 363648768.

The previous prime is 870378703. The next prime is 870378721. The reversal of 870378712 is 217873078.

It is an interprime number because it is at equal distance from previous prime (870378703) and next prime (870378721).

It is a congruent number.

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, 912828 + ... + 913780.

It is an arithmetic number, because the mean of its divisors is an integer number (29879280).

Almost surely, 2^870378712 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 870378712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956136960).

870378712 is an abundant number, since it is smaller than the sum of its proper divisors (1041895208).

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

870378712 is a wasteful number, since it uses less digits than its factorization.

870378712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 870378712 is about 29502.1814786636. The cubic root of 870378712 is about 954.7787695108.

The spelling of 870378712 in words is "eight hundred seventy million, three hundred seventy-eight thousand, seven hundred twelve".