36601381877 has 2 divisors, whose sum is σ = 36601381878. Its totient is φ = 36601381876.

The previous prime is 36601381841. The next prime is 36601381979. The reversal of 36601381877 is 77818310663.

36601381877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21096400516 + 15504981361 = 145246^2 + 124519^2 .

It is a cyclic number.

It is not a de Polignac number, because 36601381877 - 2¹² = 36601377781 is a prime.

It is a super-2 number, since 2×36601381877² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36601381477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18300690938 + 18300690939.

It is an arithmetic number, because the mean of its divisors is an integer number (18300690939).

Almost surely, 2^36601381877 is an apocalyptic number.

It is an amenable number.

36601381877 is a deficient number, since it is larger than the sum of its proper divisors (1).

36601381877 is an equidigital number, since it uses as much as digits as its factorization.

36601381877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 36601381877 in words is "thirty-six billion, six hundred one million, three hundred eighty-one thousand, eight hundred seventy-seven".