80499995 has 8 divisors (see below), whose sum is σ = 97193616. Its totient is φ = 64004256.

The previous prime is 80499971. The next prime is 80499997. The reversal of 80499995 is 59999408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80499995 - 2²⁴ = 63722779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80499997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48572 + ... + 50201.

It is an arithmetic number, because the mean of its divisors is an integer number (12149202).

Almost surely, 2^80499995 is an apocalyptic number.

80499995 is a deficient number, since it is larger than the sum of its proper divisors (16693621).

80499995 is a wasteful number, since it uses less digits than its factorization.

80499995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98941.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The square root of 80499995 is about 8972.1789438241. The cubic root of 80499995 is about 431.7827464853.

The spelling of 80499995 in words is "eighty million, four hundred ninety-nine thousand, nine hundred ninety-five".