132776579487 has 4 divisors (see below), whose sum is σ = 177035439320. Its totient is φ = 88517719656.

The previous prime is 132776579483. The next prime is 132776579491. The reversal of 132776579487 is 784975677231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784975677231 = 3 ⋅261658559077.

It is an interprime number because it is at equal distance from previous prime (132776579483) and next prime (132776579491).

It is not a de Polignac number, because 132776579487 - 2² = 132776579483 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 (132776579483) 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, 22129429912 + ... + 22129429917.

It is an arithmetic number, because the mean of its divisors is an integer number (44258859830).

Almost surely, 2^132776579487 is an apocalyptic number.

132776579487 is a deficient number, since it is larger than the sum of its proper divisors (44258859833).

132776579487 is an equidigital number, since it uses as much as digits as its factorization.

132776579487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44258859832.

The product of its digits is 124467840, while the sum is 66.

The spelling of 132776579487 in words is "one hundred thirty-two billion, seven hundred seventy-six million, five hundred seventy-nine thousand, four hundred eighty-seven".