36501977 has 2 divisors, whose sum is σ = 36501978. Its totient is φ = 36501976.

The previous prime is 36501947. The next prime is 36501979. The reversal of 36501977 is 77910563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20693401 + 15808576 = 4549^2 + 3976^2 .

It is a cyclic number.

It is not a de Polignac number, because 36501977 - 2¹⁰ = 36500953 is a prime.

Together with 36501979, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36501977.

It is not a weakly prime, because it can be changed into another prime (36501979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18250988 + 18250989.

It is an arithmetic number, because the mean of its divisors is an integer number (18250989).

Almost surely, 2^36501977 is an apocalyptic number.

It is an amenable number.

36501977 is a deficient number, since it is larger than the sum of its proper divisors (1).

36501977 is an equidigital number, since it uses as much as digits as its factorization.

36501977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 36501977 is about 6041.6866022660. The cubic root of 36501977 is about 331.7203607701.

The spelling of 36501977 in words is "thirty-six million, five hundred one thousand, nine hundred seventy-seven".