80291169 has 80 divisors (see below), whose sum is σ = 149846400. Its totient is φ = 41803776.

The previous prime is 80291149. The next prime is 80291171. The reversal of 80291169 is 96119208.

It is not a de Polignac number, because 80291169 - 2⁷ = 80291041 is a prime.

It is a super-2 number, since 2×80291169² = 12893343638773122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80291149) 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 79 ways as a sum of consecutive naturals, for example, 312289 + ... + 312545.

It is an arithmetic number, because the mean of its divisors is an integer number (1873080).

Almost surely, 2^80291169 is an apocalyptic number.

It is an amenable number.

80291169 is a deficient number, since it is larger than the sum of its proper divisors (69555231).

80291169 is a wasteful number, since it uses less digits than its factorization.

80291169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 80291169 is about 8960.5339684642. The cubic root of 80291169 is about 431.4090589071.

The spelling of 80291169 in words is "eighty million, two hundred ninety-one thousand, one hundred sixty-nine".