80487879 has 24 divisors (see below), whose sum is σ = 115015152. Its totient is φ = 50033280.

The previous prime is 80487817. The next prime is 80487899. The reversal of 80487879 is 97878408.

It is not a de Polignac number, because 80487879 - 2¹² = 80483783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80487899) 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 23 ways as a sum of consecutive naturals, for example, 64449 + ... + 65685.

It is an arithmetic number, because the mean of its divisors is an integer number (4792298).

Almost surely, 2^80487879 is an apocalyptic number.

80487879 is a deficient number, since it is larger than the sum of its proper divisors (34527273).

80487879 is a wasteful number, since it uses less digits than its factorization.

80487879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 80487879 is about 8971.5037201129. The cubic root of 80487879 is about 431.7610829550.

The spelling of 80487879 in words is "eighty million, four hundred eighty-seven thousand, eight hundred seventy-nine".