36686868500 has 24 divisors (see below), whose sum is σ = 80124121896. Its totient is φ = 14674747200.

The previous prime is 36686868487. The next prime is 36686868509. The reversal of 36686868500 is 586868663.

It can be written as a sum of positive squares in 4 ways, for example, as 100360324 + 36586508176 = 10018^2 + 191276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36686868509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36686369 + ... + 36687368.

It is an arithmetic number, because the mean of its divisors is an integer number (3338505079).

Almost surely, 2^36686868500 is an apocalyptic number.

It is an amenable number.

36686868500 is an abundant number, since it is smaller than the sum of its proper divisors (43437253396).

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

36686868500 is a wasteful number, since it uses less digits than its factorization.

36686868500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73373756 (or 73373744 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 36686868500 in words is "thirty-six billion, six hundred eighty-six million, eight hundred sixty-eight thousand, five hundred".