80859398 has 8 divisors (see below), whose sum is σ = 126562608. Its totient is φ = 38671864.

The previous prime is 80859391. The next prime is 80859403. The reversal of 80859398 is 89395808.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80859391) 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 3 ways as a sum of consecutive naturals, for example, 878861 + ... + 878952.

It is an arithmetic number, because the mean of its divisors is an integer number (15820326).

Almost surely, 2^80859398 is an apocalyptic number.

80859398 is a deficient number, since it is larger than the sum of its proper divisors (45703210).

80859398 is a wasteful number, since it uses less digits than its factorization.

80859398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757838.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 80859398 is about 8992.1853850997. The cubic root of 80859398 is about 432.4243765002.

It can be divided in two parts, 808 and 59398, that added together give a palindrome (60206).

The spelling of 80859398 in words is "eighty million, eight hundred fifty-nine thousand, three hundred ninety-eight".