36321599988 has 48 divisors (see below), whose sum is σ = 94645172160. Its totient is φ = 12045735072.

The previous prime is 36321599987. The next prime is 36321600041. The reversal of 36321599988 is 88999512363.

36321599988 is a `hidden beast` number, since 3 + 6 + 32 + 1 + 599 + 9 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36321599981) 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, 832306 + ... + 874857.

It is an arithmetic number, because the mean of its divisors is an integer number (1971774420).

Almost surely, 2^36321599988 is an apocalyptic number.

It is an amenable number.

36321599988 is an abundant number, since it is smaller than the sum of its proper divisors (58323572172).

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

36321599988 is a wasteful number, since it uses less digits than its factorization.

36321599988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707373 (or 1707365 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

It can be divided in two parts, 363215 and 99988, that added together give a triangular number (463203 = T₉₆₂).

The spelling of 36321599988 in words is "thirty-six billion, three hundred twenty-one million, five hundred ninety-nine thousand, nine hundred eighty-eight".