36812735828 has 24 divisors (see below), whose sum is σ = 73977748320. Its totient is φ = 15852373920.

The previous prime is 36812735821. The next prime is 36812735917. The reversal of 36812735828 is 82853721863.

It is a happy number.

It is a super-2 number, since 2×36812735828² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36812735828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36812735821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22016351 + ... + 22018022.

It is an arithmetic number, because the mean of its divisors is an integer number (3082406180).

Almost surely, 2^36812735828 is an apocalyptic number.

36812735828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

36812735828 is an abundant number, since it is smaller than the sum of its proper divisors (37165012492).

36812735828 is a wasteful number, since it uses less digits than its factorization.

36812735828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44034407 (or 44034405 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 36812735828 in words is "thirty-six billion, eight hundred twelve million, seven hundred thirty-five thousand, eight hundred twenty-eight".