77317487372663 has 16 divisors (see below), whose sum is σ = 79866481155552. Its totient is φ = 74802435840000.

The previous prime is 77317487372591. The next prime is 77317487372669. The reversal of 77317487372663 is 36627378471377.

It is a cyclic number.

It is not a de Polignac number, because 77317487372663 - 2¹² = 77317487368567 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 (77317487372669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12137813 + ... + 17377038.

It is an arithmetic number, because the mean of its divisors is an integer number (4991655072222).

Almost surely, 2^{77317487372663} is an apocalyptic number.

77317487372663 is a deficient number, since it is larger than the sum of its proper divisors (2548993782889).

77317487372663 is a wasteful number, since it uses less digits than its factorization.

77317487372663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29515426.

The product of its digits is 1045529856, while the sum is 71.

The spelling of 77317487372663 in words is "seventy-seven trillion, three hundred seventeen billion, four hundred eighty-seven million, three hundred seventy-two thousand, six hundred sixty-three".