80814495 has 16 divisors (see below), whose sum is σ = 129572352. Its totient is φ = 43011360.

The previous prime is 80814491. The next prime is 80814557. The reversal of 80814495 is 59441808.

It is not a de Polignac number, because 80814495 - 2² = 80814491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80814491) 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 15 ways as a sum of consecutive naturals, for example, 2190 + ... + 12900.

It is an arithmetic number, because the mean of its divisors is an integer number (8098272).

Almost surely, 2^80814495 is an apocalyptic number.

80814495 is a deficient number, since it is larger than the sum of its proper divisors (48757857).

80814495 is a wasteful number, since it uses less digits than its factorization.

80814495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 80814495 is about 8989.6882593336. The cubic root of 80814495 is about 432.3443167602.

The spelling of 80814495 in words is "eighty million, eight hundred fourteen thousand, four hundred ninety-five".