80787243 has 16 divisors (see below), whose sum is σ = 114446880. Its totient is φ = 50593536.

The previous prime is 80787229. The next prime is 80787269. The reversal of 80787243 is 34278708.

It is not a de Polignac number, because 80787243 - 2⁸ = 80786987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80787283) 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, 9330 + ... + 15767.

It is an arithmetic number, because the mean of its divisors is an integer number (7152930).

Almost surely, 2^80787243 is an apocalyptic number.

80787243 is a deficient number, since it is larger than the sum of its proper divisors (33659637).

80787243 is a wasteful number, since it uses less digits than its factorization.

80787243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25166.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 80787243 is about 8988.1723948754. The cubic root of 80787243 is about 432.2957133838.

The spelling of 80787243 in words is "eighty million, seven hundred eighty-seven thousand, two hundred forty-three".