47336774767979 has 2 divisors, whose sum is σ = 47336774767980. Its totient is φ = 47336774767978.

The previous prime is 47336774767943. The next prime is 47336774767987. The reversal of 47336774767979 is 97976747763374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47336774767979 - 2²⁴ = 47336757990763 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47336774767979.

It is not a weakly prime, because it can be changed into another prime (47336774707979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23668387383989 + 23668387383990.

It is an arithmetic number, because the mean of its divisors is an integer number (23668387383990).

Almost surely, 2^{47336774767979} is an apocalyptic number.

47336774767979 is a deficient number, since it is larger than the sum of its proper divisors (1).

47336774767979 is an equidigital number, since it uses as much as digits as its factorization.

47336774767979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49401285696, while the sum is 86.

The spelling of 47336774767979 in words is "forty-seven trillion, three hundred thirty-six billion, seven hundred seventy-four million, seven hundred sixty-seven thousand, nine hundred seventy-nine".