80383889 has 4 divisors (see below), whose sum is σ = 84614640. Its totient is φ = 76153140.

The previous prime is 80383883. The next prime is 80383913. The reversal of 80383889 is 98838308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-80383889 is a prime.

It is a super-2 number, since 2×80383889² = 12923139221528642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80383883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115347 + ... + 2115384.

It is an arithmetic number, because the mean of its divisors is an integer number (21153660).

Almost surely, 2^80383889 is an apocalyptic number.

It is an amenable number.

80383889 is a deficient number, since it is larger than the sum of its proper divisors (4230751).

80383889 is a wasteful number, since it uses less digits than its factorization.

80383889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230750.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 80383889 is about 8965.7062744661. The cubic root of 80383889 is about 431.5750583186.

The spelling of 80383889 in words is "eighty million, three hundred eighty-three thousand, eight hundred eighty-nine".