131778772672483 has 4 divisors (see below), whose sum is σ = 132244422046168. Its totient is φ = 131313123298800.

The previous prime is 131778772672409. The next prime is 131778772672487. The reversal of 131778772672483 is 384276277877131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131778772672483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131778772672487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232824686418 + ... + 232824686983.

It is an arithmetic number, because the mean of its divisors is an integer number (33061105511542).

Almost surely, 2^{131778772672483} is an apocalyptic number.

131778772672483 is a deficient number, since it is larger than the sum of its proper divisors (465649373685).

131778772672483 is an equidigital number, since it uses as much as digits as its factorization.

131778772672483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465649373684.

The product of its digits is 929359872, while the sum is 73.

The spelling of 131778772672483 in words is "one hundred thirty-one trillion, seven hundred seventy-eight billion, seven hundred seventy-two million, six hundred seventy-two thousand, four hundred eighty-three".