80549287 has 36 divisors (see below), whose sum is σ = 103642416. Its totient is φ = 62375040.

The previous prime is 80549263. The next prime is 80549291. The reversal of 80549287 is 78294508.

It is not a de Polignac number, because 80549287 - 2¹⁹ = 80024999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80549207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 587883 + ... + 588019.

It is an arithmetic number, because the mean of its divisors is an integer number (2878956).

Almost surely, 2^80549287 is an apocalyptic number.

80549287 is a deficient number, since it is larger than the sum of its proper divisors (23093129).

80549287 is a wasteful number, since it uses less digits than its factorization.

80549287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 80549287 is about 8974.9254593005. The cubic root of 80549287 is about 431.8708586751.

The spelling of 80549287 in words is "eighty million, five hundred forty-nine thousand, two hundred eighty-seven".