80798287 has 4 divisors (see below), whose sum is σ = 84311280. Its totient is φ = 77285296.

The previous prime is 80798261. The next prime is 80798303. The reversal of 80798287 is 78289708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80798287 - 2¹⁵ = 80765519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80798287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80798257) 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 3 ways as a sum of consecutive naturals, for example, 1756462 + ... + 1756507.

It is an arithmetic number, because the mean of its divisors is an integer number (21077820).

Almost surely, 2^80798287 is an apocalyptic number.

80798287 is a deficient number, since it is larger than the sum of its proper divisors (3512993).

80798287 is a wasteful number, since it uses less digits than its factorization.

80798287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512992.

The product of its (nonzero) digits is 451584, while the sum is 49.

The square root of 80798287 is about 8988.7867368183. The cubic root of 80798287 is about 432.3154114456.

The spelling of 80798287 in words is "eighty million, seven hundred ninety-eight thousand, two hundred eighty-seven".