80195505 has 16 divisors (see below), whose sum is σ = 138183360. Its totient is φ = 39480768.

The previous prime is 80195501. The next prime is 80195509. The reversal of 80195505 is 50559108.

It is an interprime number because it is at equal distance from previous prime (80195501) and next prime (80195509).

It is not a de Polignac number, because 80195505 - 2² = 80195501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80195501) 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, 205435 + ... + 205824.

It is an arithmetic number, because the mean of its divisors is an integer number (8636460).

Almost surely, 2^80195505 is an apocalyptic number.

It is an amenable number.

80195505 is a deficient number, since it is larger than the sum of its proper divisors (57987855).

80195505 is a wasteful number, since it uses less digits than its factorization.

80195505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411280.

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 80195505 is about 8955.1943027497. The cubic root of 80195505 is about 431.2376547611.

The spelling of 80195505 in words is "eighty million, one hundred ninety-five thousand, five hundred five".