8706857572 has 48 divisors (see below), whose sum is σ = 18043119360. Its totient is φ = 3597052032.

The previous prime is 8706857561. The next prime is 8706857591. The reversal of 8706857572 is 2757586078.

It is a happy 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, 517078 + ... + 533650.

It is an arithmetic number, because the mean of its divisors is an integer number (375898320).

Almost surely, 2^8706857572 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 8706857572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9021559680).

8706857572 is an abundant number, since it is smaller than the sum of its proper divisors (9336261788).

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

8706857572 is a wasteful number, since it uses less digits than its factorization.

8706857572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17260 (or 17258 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 55.

The square root of 8706857572 is about 93310.5437343498. The cubic root of 8706857572 is about 2057.2503588727.

The spelling of 8706857572 in words is "eight billion, seven hundred six million, eight hundred fifty-seven thousand, five hundred seventy-two".