80099847 has 12 divisors (see below), whose sum is σ = 119985320. Its totient is φ = 53399736.

The previous prime is 80099843. The next prime is 80099909. The reversal of 80099847 is 74899008.

It is not a de Polignac number, because 80099847 - 2² = 80099843 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 (80099843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164572 + ... + 165057.

Almost surely, 2^80099847 is an apocalyptic number.

80099847 is a deficient number, since it is larger than the sum of its proper divisors (39885473).

80099847 is an equidigital number, since it uses as much as digits as its factorization.

80099847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329644 (or 329632 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 80099847 is about 8949.8517864823. The cubic root of 80099847 is about 431.0661250138.

The spelling of 80099847 in words is "eighty million, ninety-nine thousand, eight hundred forty-seven".