83127563329 has 4 divisors (see below), whose sum is σ = 85994031060. Its totient is φ = 80261095600.

The previous prime is 83127563327. The next prime is 83127563357. The reversal of 83127563329 is 92336572138.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92336572138 = 2 ⋅46168286069.

It can be written as a sum of positive squares in 2 ways, for example, as 68134050625 + 14993512704 = 261025^2 + 122448^2 .

It is a cyclic number.

It is not a de Polignac number, because 83127563329 - 2¹ = 83127563327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83127563327) 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, 1433233822 + ... + 1433233879.

It is an arithmetic number, because the mean of its divisors is an integer number (21498507765).

Almost surely, 2^83127563329 is an apocalyptic number.

It is an amenable number.

83127563329 is a deficient number, since it is larger than the sum of its proper divisors (2866467731).

83127563329 is a wasteful number, since it uses less digits than its factorization.

83127563329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866467730.

The product of its digits is 1632960, while the sum is 49.

The spelling of 83127563329 in words is "eighty-three billion, one hundred twenty-seven million, five hundred sixty-three thousand, three hundred twenty-nine".