80356099 has 2 divisors, whose sum is σ = 80356100. Its totient is φ = 80356098.

The previous prime is 80356097. The next prime is 80356139. The reversal of 80356099 is 99065308.

It is an a-pointer prime, because the next prime (80356139) can be obtained adding 80356099 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80356099 - 2¹ = 80356097 is a prime.

Together with 80356097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80356091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40178049 + 40178050.

It is an arithmetic number, because the mean of its divisors is an integer number (40178050).

Almost surely, 2^80356099 is an apocalyptic number.

80356099 is a deficient number, since it is larger than the sum of its proper divisors (1).

80356099 is an equidigital number, since it uses as much as digits as its factorization.

80356099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 80356099 is about 8964.1563462492. The cubic root of 80356099 is about 431.5253184458.

The spelling of 80356099 in words is "eighty million, three hundred fifty-six thousand, ninety-nine".