870023616 has 224 divisors, whose sum is σ = 2930956800. Its totient is φ = 225792000.

The previous prime is 870023591. The next prime is 870023629. The reversal of 870023616 is 616320078.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 723816 + ... + 725016.

Almost surely, 2^870023616 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 870023616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465478400).

870023616 is an abundant number, since it is smaller than the sum of its proper divisors (2060933184).

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

870023616 is a wasteful number, since it uses less digits than its factorization.

870023616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 870023616 is about 29496.1627334811. The cubic root of 870023616 is about 954.6489087064.

The spelling of 870023616 in words is "eight hundred seventy million, twenty-three thousand, six hundred sixteen".