83780027339 has 4 divisors (see below), whose sum is σ = 83844425280. Its totient is φ = 83715629400.

The previous prime is 83780027293. The next prime is 83780027381. The reversal of 83780027339 is 93372008738.

It is a happy number.

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 83780027339 - 2⁸ = 83780027083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83780027239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32197019 + ... + 32199620.

It is an arithmetic number, because the mean of its divisors is an integer number (20961106320).

Almost surely, 2^83780027339 is an apocalyptic number.

83780027339 is a deficient number, since it is larger than the sum of its proper divisors (64397941).

83780027339 is a wasteful number, since it uses less digits than its factorization.

83780027339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64397940.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 83780027339 in words is "eighty-three billion, seven hundred eighty million, twenty-seven thousand, three hundred thirty-nine".