80305799 has 16 divisors (see below), whose sum is σ = 99225600. Its totient is φ = 63444384.

The previous prime is 80305789. The next prime is 80305801. The reversal of 80305799 is 99750308.

It is a cyclic number.

It is not a de Polignac number, because 80305799 - 2²⁴ = 63528583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80305769) 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, 3239 + ... + 13080.

It is an arithmetic number, because the mean of its divisors is an integer number (6201600).

Almost surely, 2^80305799 is an apocalyptic number.

80305799 is a deficient number, since it is larger than the sum of its proper divisors (18919801).

80305799 is a wasteful number, since it uses less digits than its factorization.

80305799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16382.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 80305799 is about 8961.3502888795. The cubic root of 80305799 is about 431.4352599256.

The spelling of 80305799 in words is "eighty million, three hundred five thousand, seven hundred ninety-nine".