8636875980 has 48 divisors (see below), whose sum is σ = 25456058880. Its totient is φ = 2181947328.

The previous prime is 8636875963. The next prime is 8636875987. The reversal of 8636875980 is 895786368.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (8636875987) 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, 3786964 + ... + 3789243.

It is an arithmetic number, because the mean of its divisors is an integer number (530334560).

Almost surely, 2^8636875980 is an apocalyptic number.

It is an amenable number.

8636875980 is an abundant number, since it is smaller than the sum of its proper divisors (16819182900).

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

8636875980 is a wasteful number, since it uses less digits than its factorization.

8636875980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576238 (or 7576236 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The square root of 8636875980 is about 92934.7942376804. The cubic root of 8636875980 is about 2051.7237914272.

The spelling of 8636875980 in words is "eight billion, six hundred thirty-six million, eight hundred seventy-five thousand, nine hundred eighty".