80707399 has 4 divisors (see below), whose sum is σ = 80951560. Its totient is φ = 80463240.

The previous prime is 80707379. The next prime is 80707433. The reversal of 80707399 is 99370708.

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 80707399 - 2⁹ = 80706887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80707309) 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, 121584 + ... + 122245.

It is an arithmetic number, because the mean of its divisors is an integer number (20237890).

Almost surely, 2^80707399 is an apocalyptic number.

80707399 is a deficient number, since it is larger than the sum of its proper divisors (244161).

80707399 is a wasteful number, since it uses less digits than its factorization.

80707399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244160.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 80707399 is about 8983.7296820419. The cubic root of 80707399 is about 432.1532503125.

The spelling of 80707399 in words is "eighty million, seven hundred seven thousand, three hundred ninety-nine".