131772840448887 has 60 divisors (see below), whose sum is σ = 216372923187960. Its totient is φ = 79860418244640.

The previous prime is 131772840448853. The next prime is 131772840448913. The reversal of 131772840448887 is 788844048277131.

131772840448887 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 7 + 28 + 40 + 4 + 488 + 87 = 666.

It is not a de Polignac number, because 131772840448887 - 2³⁵ = 131738480710519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131772840440887) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 484317628 + ... + 484589630.

It is an arithmetic number, because the mean of its divisors is an integer number (3606215386466).

Almost surely, 2^{131772840448887} is an apocalyptic number.

131772840448887 is a deficient number, since it is larger than the sum of its proper divisors (84600082739073).

131772840448887 is a wasteful number, since it uses less digits than its factorization.

131772840448887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321466 (or 321446 counting only the distinct ones).

The product of its (nonzero) digits is 539492352, while the sum is 72.

The spelling of 131772840448887 in words is "one hundred thirty-one trillion, seven hundred seventy-two billion, eight hundred forty million, four hundred forty-eight thousand, eight hundred eighty-seven".