36890500806 has 24 divisors (see below), whose sum is σ = 80705436240. Its totient is φ = 12177446256.

The previous prime is 36890500741. The next prime is 36890500807. The reversal of 36890500806 is 60800509863.

36890500806 is a `hidden beast` number, since 3 + 68 + 9 + 0 + 500 + 80 + 6 = 666.

36890500806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36890500807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9947041 + ... + 9950748.

It is an arithmetic number, because the mean of its divisors is an integer number (3362726510).

Almost surely, 2^36890500806 is an apocalyptic number.

36890500806 is an abundant number, since it is smaller than the sum of its proper divisors (43814935434).

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

36890500806 is a wasteful number, since it uses less digits than its factorization.

36890500806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19897900 (or 19897897 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

Subtracting from 36890500806 its sum of digits (45), we obtain a square (36890500761 = 192069²).

The spelling of 36890500806 in words is "thirty-six billion, eight hundred ninety million, five hundred thousand, eight hundred six".