80380399 has 4 divisors (see below), whose sum is σ = 87687720. Its totient is φ = 73073080.

The previous prime is 80380397. The next prime is 80380411. The reversal of 80380399 is 99308308.

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 80380399 - 2¹ = 80380397 is a prime.

It is a super-3 number, since 3×80380399³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80380397) 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, 3653644 + ... + 3653665.

It is an arithmetic number, because the mean of its divisors is an integer number (21921930).

Almost surely, 2^80380399 is an apocalyptic number.

80380399 is a deficient number, since it is larger than the sum of its proper divisors (7307321).

80380399 is a wasteful number, since it uses less digits than its factorization.

80380399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307320.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 80380399 is about 8965.5116418418. The cubic root of 80380399 is about 431.5688123790.

The spelling of 80380399 in words is "eighty million, three hundred eighty thousand, three hundred ninety-nine".