870772224 has 160 divisors (see below), whose sum is σ = 2679114240. Its totient is φ = 246177792.

The previous prime is 870772193. The next prime is 870772303. The reversal of 870772224 is 422277078.

It is a happy number.

870772224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1171597 + ... + 1172339.

It is an arithmetic number, because the mean of its divisors is an integer number (16744464).

Almost surely, 2^870772224 is an apocalyptic number.

870772224 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870772224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339557120).

870772224 is an abundant number, since it is smaller than the sum of its proper divisors (1808342016).

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

870772224 is a wasteful number, since it uses less digits than its factorization.

870772224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 870772224 is about 29508.8499267593. The cubic root of 870772224 is about 954.9226380321.

The spelling of 870772224 in words is "eight hundred seventy million, seven hundred seventy-two thousand, two hundred twenty-four".