83255779 has 4 divisors (see below), whose sum is σ = 84114184. Its totient is φ = 82397376.

The previous prime is 83255773. The next prime is 83255831. The reversal of 83255779 is 97755238.

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 83255779 - 2³ = 83255771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83255771) 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, 429057 + ... + 429250.

It is an arithmetic number, because the mean of its divisors is an integer number (21028546).

Almost surely, 2^83255779 is an apocalyptic number.

83255779 is a deficient number, since it is larger than the sum of its proper divisors (858405).

83255779 is an equidigital number, since it uses as much as digits as its factorization.

83255779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858404.

The product of its digits is 529200, while the sum is 46.

The square root of 83255779 is about 9124.4604772008. The cubic root of 83255779 is about 436.6546904109.

The spelling of 83255779 in words is "eighty-three million, two hundred fifty-five thousand, seven hundred seventy-nine".