40779035168677 has 8 divisors (see below), whose sum is σ = 44635816553720. Its totient is φ = 37025101287360.

The previous prime is 40779035168671. The next prime is 40779035168723. The reversal of 40779035168677 is 77686153097704.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5605903847041 + 35173131321636 = 2367679^2 + 5930694^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40779035168677 - 2²³ = 40779026780069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40779035168671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25711875102 + ... + 25711876687.

It is an arithmetic number, because the mean of its divisors is an integer number (5579477069215).

Almost surely, 2^{40779035168677} is an apocalyptic number.

It is an amenable number.

40779035168677 is a deficient number, since it is larger than the sum of its proper divisors (3856781385043).

40779035168677 is a wasteful number, since it uses less digits than its factorization.

40779035168677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51423751863.

The product of its (nonzero) digits is 373403520, while the sum is 70.

The spelling of 40779035168677 in words is "forty trillion, seven hundred seventy-nine billion, thirty-five million, one hundred sixty-eight thousand, six hundred seventy-seven".