83187945495 has 24 divisors (see below), whose sum is σ = 144924395616. Its totient is φ = 44141686848.

The previous prime is 83187945457. The next prime is 83187945527. The reversal of 83187945495 is 59454978138.

83187945495 is a `hidden beast` number, since 8 + 3 + 1 + 87 + 9 + 4 + 549 + 5 = 666.

It is not a de Polignac number, because 83187945495 - 2²² = 83183751191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4683067 + ... + 4700796.

It is an arithmetic number, because the mean of its divisors is an integer number (6038516484).

Almost surely, 2^83187945495 is an apocalyptic number.

83187945495 is a deficient number, since it is larger than the sum of its proper divisors (61736450121).

83187945495 is a wasteful number, since it uses less digits than its factorization.

83187945495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9384071 (or 9384068 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 83187945495 in words is "eighty-three billion, one hundred eighty-seven million, nine hundred forty-five thousand, four hundred ninety-five".