80389311 has 16 divisors (see below), whose sum is σ = 113817600. Its totient is φ = 50295168.

The previous prime is 80389307. The next prime is 80389327. The reversal of 80389311 is 11398308.

It is not a de Polignac number, because 80389311 - 2² = 80389307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80389381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17250 + ... + 21408.

It is an arithmetic number, because the mean of its divisors is an integer number (7113600).

Almost surely, 2^80389311 is an apocalyptic number.

80389311 is a deficient number, since it is larger than the sum of its proper divisors (33428289).

80389311 is a wasteful number, since it uses less digits than its factorization.

80389311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 80389311 is about 8966.0086437612. The cubic root of 80389311 is about 431.5847615373.

The spelling of 80389311 in words is "eighty million, three hundred eighty-nine thousand, three hundred eleven".