8512725618 has 20 divisors (see below), whose sum is σ = 19074811470. Its totient is φ = 2837575152.

The previous prime is 8512725607. The next prime is 8512725631. The reversal of 8512725618 is 8165272158.

8512725618 is a `hidden beast` number, since 8 + 5 + 1 + 2 + 7 + 25 + 618 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8488489689 + 24235929 = 92133^2 + 4923^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26273683 + ... + 26274006.

Almost surely, 2^8512725618 is an apocalyptic number.

8512725618 is an abundant number, since it is smaller than the sum of its proper divisors (10562085852).

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

8512725618 is a wasteful number, since it uses less digits than its factorization.

8512725618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52547703 (or 52547694 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 8512725618 is about 92264.4331148249. The cubic root of 8512725618 is about 2041.8455055478.

The spelling of 8512725618 in words is "eight billion, five hundred twelve million, seven hundred twenty-five thousand, six hundred eighteen".