36664914977 has 4 divisors (see below), whose sum is σ = 37929222420. Its totient is φ = 35400607536.

The previous prime is 36664914967. The next prime is 36664914989. The reversal of 36664914977 is 77941946663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26727018256 + 9937896721 = 163484^2 + 99689^2 .

It is a cyclic number.

It is not a de Polignac number, because 36664914977 - 2⁴ = 36664914961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36664914947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632153678 + ... + 632153735.

It is an arithmetic number, because the mean of its divisors is an integer number (9482305605).

Almost surely, 2^36664914977 is an apocalyptic number.

It is an amenable number.

36664914977 is a deficient number, since it is larger than the sum of its proper divisors (1264307443).

36664914977 is a wasteful number, since it uses less digits than its factorization.

36664914977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264307442.

The product of its digits is 41150592, while the sum is 62.

The spelling of 36664914977 in words is "thirty-six billion, six hundred sixty-four million, nine hundred fourteen thousand, nine hundred seventy-seven".