77079436341863 has 2 divisors, whose sum is σ = 77079436341864. Its totient is φ = 77079436341862.

The previous prime is 77079436341829. The next prime is 77079436341907. The reversal of 77079436341863 is 36814363497077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77079436341863 - 2²² = 77079432147559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77079436341793 and 77079436341802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77079436341823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38539718170931 + 38539718170932.

It is an arithmetic number, because the mean of its divisors is an integer number (38539718170932).

Almost surely, 2^{77079436341863} is an apocalyptic number.

77079436341863 is a deficient number, since it is larger than the sum of its proper divisors (1).

77079436341863 is an equidigital number, since it uses as much as digits as its factorization.

77079436341863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384072192, while the sum is 68.

The spelling of 77079436341863 in words is "seventy-seven trillion, seventy-nine billion, four hundred thirty-six million, three hundred forty-one thousand, eight hundred sixty-three".