36944531977 has 16 divisors (see below), whose sum is σ = 38691717120. Its totient is φ = 35209297552.

The previous prime is 36944531951. The next prime is 36944531999. The reversal of 36944531977 is 77913544963.

It is not a de Polignac number, because 36944531977 - 2¹¹ = 36944529929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36944531917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12568974 + ... + 12571912.

It is an arithmetic number, because the mean of its divisors is an integer number (2418232320).

Almost surely, 2^36944531977 is an apocalyptic number.

It is an amenable number.

36944531977 is a deficient number, since it is larger than the sum of its proper divisors (1747185143).

36944531977 is a wasteful number, since it uses less digits than its factorization.

36944531977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772.

The product of its digits is 17146080, while the sum is 58.

The spelling of 36944531977 in words is "thirty-six billion, nine hundred forty-four million, five hundred thirty-one thousand, nine hundred seventy-seven".