36918779 has 2 divisors, whose sum is σ = 36918780. Its totient is φ = 36918778.

The previous prime is 36918757. The next prime is 36918803. The reversal of 36918779 is 97781963.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36918779 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (36918709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18459389 + 18459390.

It is an arithmetic number, because the mean of its divisors is an integer number (18459390).

Almost surely, 2^36918779 is an apocalyptic number.

36918779 is a deficient number, since it is larger than the sum of its proper divisors (1).

36918779 is an equidigital number, since it uses as much as digits as its factorization.

36918779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 50.

The square root of 36918779 is about 6076.0825372933. The cubic root of 36918779 is about 332.9781809570.

The spelling of 36918779 in words is "thirty-six million, nine hundred eighteen thousand, seven hundred seventy-nine".