40077476846717 has 2 divisors, whose sum is σ = 40077476846718. Its totient is φ = 40077476846716.

The previous prime is 40077476846683. The next prime is 40077476846773. The reversal of 40077476846717 is 71764867477004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36922807099396 + 3154669747321 = 6076414^2 + 1776139^2 .

It is a cyclic number.

It is not a de Polignac number, because 40077476846717 - 2⁸ = 40077476846461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40077476846117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20038738423358 + 20038738423359.

It is an arithmetic number, because the mean of its divisors is an integer number (20038738423359).

Almost surely, 2^{40077476846717} is an apocalyptic number.

It is an amenable number.

40077476846717 is a deficient number, since it is larger than the sum of its proper divisors (1).

40077476846717 is an equidigital number, since it uses as much as digits as its factorization.

40077476846717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 309786624, while the sum is 68.

The spelling of 40077476846717 in words is "forty trillion, seventy-seven billion, four hundred seventy-six million, eight hundred forty-six thousand, seven hundred seventeen".