80494863 has 16 divisors (see below), whose sum is σ = 109994976. Its totient is φ = 52341120.

The previous prime is 80494861. The next prime is 80494867. The reversal of 80494863 is 36849408.

It is not a de Polignac number, because 80494863 - 2¹ = 80494861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80494861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27381 + ... + 30177.

It is an arithmetic number, because the mean of its divisors is an integer number (6874686).

Almost surely, 2^80494863 is an apocalyptic number.

80494863 is a deficient number, since it is larger than the sum of its proper divisors (29500113).

80494863 is a wasteful number, since it uses less digits than its factorization.

80494863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 80494863 is about 8971.8929440782. The cubic root of 80494863 is about 431.7735706829.

The spelling of 80494863 in words is "eighty million, four hundred ninety-four thousand, eight hundred sixty-three".