83312638327 has 4 divisors (see below), whose sum is σ = 88213381776. Its totient is φ = 78411894880.

The previous prime is 83312638309. The next prime is 83312638333. The reversal of 83312638327 is 72383621338.

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

It is a cyclic number.

It is not a de Polignac number, because 83312638327 - 2²⁷ = 83178420599 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 (83312638397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450371699 + ... + 2450371732.

It is an arithmetic number, because the mean of its divisors is an integer number (22053345444).

Almost surely, 2^83312638327 is an apocalyptic number.

83312638327 is a deficient number, since it is larger than the sum of its proper divisors (4900743449).

83312638327 is a wasteful number, since it uses less digits than its factorization.

83312638327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900743448.

The product of its digits is 870912, while the sum is 46.

The spelling of 83312638327 in words is "eighty-three billion, three hundred twelve million, six hundred thirty-eight thousand, three hundred twenty-seven".