18976886352 has 60 divisors (see below), whose sum is σ = 53119035060. Its totient is φ = 6324424704.

The previous prime is 18976886323. The next prime is 18976886353. The reversal of 18976886352 is 25368867981.

It can be written as a sum of positive squares in 2 ways, for example, as 3956913216 + 15019973136 = 62904^2 + 122556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18976886352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18976886353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1069618 + ... + 1087214.

It is an arithmetic number, because the mean of its divisors is an integer number (885317251).

Almost surely, 2^18976886352 is an apocalyptic number.

18976886352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18976886352 is an abundant number, since it is smaller than the sum of its proper divisors (34142148708).

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

18976886352 is a wasteful number, since it uses less digits than its factorization.

18976886352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25100 (or 25091 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 18976886352 in words is "eighteen billion, nine hundred seventy-six million, eight hundred eighty-six thousand, three hundred fifty-two".