36886364820 has 84 divisors (see below), whose sum is σ = 116138966580. Its totient is φ = 9836360064.

The previous prime is 36886364813. The next prime is 36886364821. The reversal of 36886364820 is 2846368863.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19681845264 + 17204519556 = 140292^2 + 131166^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36886364821) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1250385 + ... + 1279544.

It is an arithmetic number, because the mean of its divisors is an integer number (1382606745).

Almost surely, 2^36886364820 is an apocalyptic number.

36886364820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36886364820 is an abundant number, since it is smaller than the sum of its proper divisors (79252601760).

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

36886364820 is a wasteful number, since it uses less digits than its factorization.

36886364820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529956 (or 2529939 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 36886364820 in words is "thirty-six billion, eight hundred eighty-six million, three hundred sixty-four thousand, eight hundred twenty".