36899820864 has 280 divisors, whose sum is σ = 114300975360. Its totient is φ = 11755570176.

The previous prime is 36899820863. The next prime is 36899820869. The reversal of 36899820864 is 46802899863.

36899820864 is a `hidden beast` number, since 368 + 9 + 9 + 8 + 208 + 64 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36899820863) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15483417 + ... + 15485799.

Almost surely, 2^36899820864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36899820864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57150487680).

36899820864 is an abundant number, since it is smaller than the sum of its proper divisors (77401154496).

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

36899820864 is a wasteful number, since it uses less digits than its factorization.

36899820864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539 (or 2520 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 36899820864 in words is "thirty-six billion, eight hundred ninety-nine million, eight hundred twenty thousand, eight hundred sixty-four".