8691152388 has 48 divisors (see below), whose sum is σ = 20627679744. Its totient is φ = 2847363840.

The previous prime is 8691152381. The next prime is 8691152411. The reversal of 8691152388 is 8832511968.

It is a super-2 number, since 2×8691152388² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8691152388.

It is not an unprimeable number, because it can be changed into a prime (8691152381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143256 + ... + 1150832.

It is an arithmetic number, because the mean of its divisors is an integer number (429743328).

Almost surely, 2^8691152388 is an apocalyptic number.

It is an amenable number.

8691152388 is an abundant number, since it is smaller than the sum of its proper divisors (11936527356).

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

8691152388 is a wasteful number, since it uses less digits than its factorization.

8691152388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9212 (or 9210 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 8691152388 is about 93226.3502878880. The cubic root of 8691152388 is about 2056.0126776939.

The spelling of 8691152388 in words is "eight billion, six hundred ninety-one million, one hundred fifty-two thousand, three hundred eighty-eight".