80083779 has 4 divisors (see below), whose sum is σ = 106778376. Its totient is φ = 53389184.

The previous prime is 80083777. The next prime is 80083793. The reversal of 80083779 is 97738008.

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 80083779 - 2¹ = 80083777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80083779.

It is not an unprimeable number, because it can be changed into a prime (80083771) 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, 13347294 + ... + 13347299.

It is an arithmetic number, because the mean of its divisors is an integer number (26694594).

Almost surely, 2^80083779 is an apocalyptic number.

80083779 is a deficient number, since it is larger than the sum of its proper divisors (26694597).

80083779 is a wasteful number, since it uses less digits than its factorization.

80083779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26694596.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 80083779 is about 8948.9540729629. The cubic root of 80083779 is about 431.0372991839.

The spelling of 80083779 in words is "eighty million, eighty-three thousand, seven hundred seventy-nine".