36897799744 has 63 divisors (see below), whose sum is σ = 79327505937. Its totient is φ = 17020533504.

The previous prime is 36897799739. The next prime is 36897799793. The reversal of 36897799744 is 44799779863.

The square root of 36897799744 is 192088.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5458254400 + 31439545344 = 73880^2 + 177312^2 .

It is a super-2 number, since 2×36897799744² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19976229 + ... + 19978075.

Almost surely, 2^36897799744 is an apocalyptic number.

36897799744 is the 192088-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36897799744

36897799744 is an abundant number, since it is smaller than the sum of its proper divisors (42429706193).

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

36897799744 is an frugal number, since it uses more digits than its factorization.

36897799744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 1862 counting only the distinct ones).

The product of its digits is 576108288, while the sum is 73.

The spelling of 36897799744 in words is "thirty-six billion, eight hundred ninety-seven million, seven hundred ninety-nine thousand, seven hundred forty-four".