83382639851 has 4 divisors (see below), whose sum is σ = 95294445552. Its totient is φ = 71470834152.

The previous prime is 83382639833. The next prime is 83382639859. The reversal of 83382639851 is 15893628338.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83382639851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83382639859) 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, 5955902840 + ... + 5955902853.

It is an arithmetic number, because the mean of its divisors is an integer number (23823611388).

Almost surely, 2^83382639851 is an apocalyptic number.

83382639851 is a deficient number, since it is larger than the sum of its proper divisors (11911805701).

83382639851 is a wasteful number, since it uses less digits than its factorization.

83382639851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911805700.

The product of its digits is 7464960, while the sum is 56.

The spelling of 83382639851 in words is "eighty-three billion, three hundred eighty-two million, six hundred thirty-nine thousand, eight hundred fifty-one".