8621153652 has 12 divisors (see below), whose sum is σ = 20116025216. Its totient is φ = 2873717880.

The previous prime is 8621153627. The next prime is 8621153693. The reversal of 8621153652 is 2563511268.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 8621153652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359214724 + ... + 359214747.

Almost surely, 2^8621153652 is an apocalyptic number.

It is an amenable number.

8621153652 is an abundant number, since it is smaller than the sum of its proper divisors (11494871564).

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

8621153652 is a wasteful number, since it uses less digits than its factorization.

8621153652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718429478 (or 718429476 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 8621153652 is about 92850.1677542911. The cubic root of 8621153652 is about 2050.4780683175.

The spelling of 8621153652 in words is "eight billion, six hundred twenty-one million, one hundred fifty-three thousand, six hundred fifty-two".