80859245 has 8 divisors (see below), whose sum is σ = 99653784. Its totient is φ = 62938944.

The previous prime is 80859227. The next prime is 80859299. The reversal of 80859245 is 54295808.

It can be written as a sum of positive squares in 4 ways, for example, as 37589161 + 43270084 = 6131^2 + 6578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80859245 - 2¹⁰ = 80858221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 218354 + ... + 218723.

It is an arithmetic number, because the mean of its divisors is an integer number (12456723).

Almost surely, 2^80859245 is an apocalyptic number.

It is an amenable number.

80859245 is a deficient number, since it is larger than the sum of its proper divisors (18794539).

80859245 is a wasteful number, since it uses less digits than its factorization.

80859245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437119.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 80859245 is about 8992.1768777088. The cubic root of 80859245 is about 432.4241037594.

The spelling of 80859245 in words is "eighty million, eight hundred fifty-nine thousand, two hundred forty-five".