36776717081 has 4 divisors (see below), whose sum is σ = 39605695332. Its totient is φ = 33947738832.

The previous prime is 36776717057. The next prime is 36776717093. The reversal of 36776717081 is 18071767763.

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 24826729225 + 11949987856 = 157565^2 + 109316^2 .

It is a cyclic number.

It is not a de Polignac number, because 36776717081 - 2¹⁸ = 36776454937 is a prime.

It is a super-2 number, since 2×36776717081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36776710081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414489106 + ... + 1414489131.

It is an arithmetic number, because the mean of its divisors is an integer number (9901423833).

Almost surely, 2^36776717081 is an apocalyptic number.

It is an amenable number.

36776717081 is a deficient number, since it is larger than the sum of its proper divisors (2828978251).

36776717081 is a wasteful number, since it uses less digits than its factorization.

36776717081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828978250.

The product of its (nonzero) digits is 2074464, while the sum is 53.

The spelling of 36776717081 in words is "thirty-six billion, seven hundred seventy-six million, seven hundred seventeen thousand, eighty-one".