83243379 has 4 divisors (see below), whose sum is σ = 110991176. Its totient is φ = 55495584.

The previous prime is 83243353. The next prime is 83243383. The reversal of 83243379 is 97334238.

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

It is not a de Polignac number, because 83243379 - 2⁹ = 83242867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83243179) 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, 13873894 + ... + 13873899.

It is an arithmetic number, because the mean of its divisors is an integer number (27747794).

Almost surely, 2^83243379 is an apocalyptic number.

83243379 is a deficient number, since it is larger than the sum of its proper divisors (27747797).

83243379 is a wasteful number, since it uses less digits than its factorization.

83243379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27747796.

The product of its digits is 108864, while the sum is 39.

The square root of 83243379 is about 9123.7809596680. The cubic root of 83243379 is about 436.6330110870.

The spelling of 83243379 in words is "eighty-three million, two hundred forty-three thousand, three hundred seventy-nine".