870779712 has 224 divisors, whose sum is σ = 2703697920. Its totient is φ = 244408320.

The previous prime is 870779699. The next prime is 870779731. The reversal of 870779712 is 217977078.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2836263 + ... + 2836569.

It is an arithmetic number, because the mean of its divisors is an integer number (12070080).

Almost surely, 2^870779712 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 870779712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351848960).

870779712 is an abundant number, since it is smaller than the sum of its proper divisors (1832918208).

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

870779712 is a wasteful number, since it uses less digits than its factorization.

870779712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 48.

The square root of 870779712 is about 29508.9768036779. The cubic root of 870779712 is about 954.9253752348.

The spelling of 870779712 in words is "eight hundred seventy million, seven hundred seventy-nine thousand, seven hundred twelve".