80998195 has 8 divisors (see below), whose sum is σ = 100333440. Its totient is φ = 62708160.

The previous prime is 80998193. The next prime is 80998207. The reversal of 80998195 is 59189908.

It is a happy number.

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

It is not a de Polignac number, because 80998195 - 2¹ = 80998193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80998193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261130 + ... + 261439.

It is an arithmetic number, because the mean of its divisors is an integer number (12541680).

Almost surely, 2^80998195 is an apocalyptic number.

80998195 is a deficient number, since it is larger than the sum of its proper divisors (19335245).

80998195 is a wasteful number, since it uses less digits than its factorization.

80998195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522605.

The product of its (nonzero) digits is 233280, while the sum is 49.

The square root of 80998195 is about 8999.8997216636. The cubic root of 80998195 is about 432.6716571665.

The spelling of 80998195 in words is "eighty million, nine hundred ninety-eight thousand, one hundred ninety-five".