131778772672583 has 2 divisors, whose sum is σ = 131778772672584. Its totient is φ = 131778772672582.

The previous prime is 131778772672493. The next prime is 131778772672597. The reversal of 131778772672583 is 385276277877131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131778772672583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131778772672583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131778772677583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65889386336291 + 65889386336292.

It is an arithmetic number, because the mean of its divisors is an integer number (65889386336292).

Almost surely, 2^{131778772672583} is an apocalyptic number.

131778772672583 is a deficient number, since it is larger than the sum of its proper divisors (1).

131778772672583 is an equidigital number, since it uses as much as digits as its factorization.

131778772672583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161699840, while the sum is 74.

The spelling of 131778772672583 in words is "one hundred thirty-one trillion, seven hundred seventy-eight billion, seven hundred seventy-two million, six hundred seventy-two thousand, five hundred eighty-three".