80115943 has 4 divisors (see below), whose sum is σ = 80188408. Its totient is φ = 80043480.

The previous prime is 80115941. The next prime is 80115949. The reversal of 80115943 is 34951108.

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 80115943 - 2¹ = 80115941 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 (80115941) 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, 34548 + ... + 36793.

It is an arithmetic number, because the mean of its divisors is an integer number (20047102).

Almost surely, 2^80115943 is an apocalyptic number.

80115943 is a deficient number, since it is larger than the sum of its proper divisors (72465).

80115943 is a wasteful number, since it uses less digits than its factorization.

80115943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72464.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 80115943 is about 8950.7509740803. The cubic root of 80115943 is about 431.0949972106.

The spelling of 80115943 in words is "eighty million, one hundred fifteen thousand, nine hundred forty-three".