80812346 has 8 divisors (see below), whose sum is σ = 121566900. Its totient is φ = 40290048.

The previous prime is 80812343. The next prime is 80812379. The reversal of 80812346 is 64321808.

It can be written as a sum of positive squares in 2 ways, for example, as 79834225 + 978121 = 8935^2 + 989^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80812343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57191 + ... + 58586.

Almost surely, 2^80812346 is an apocalyptic number.

80812346 is a deficient number, since it is larger than the sum of its proper divisors (40754554).

80812346 is a wasteful number, since it uses less digits than its factorization.

80812346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116128.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 80812346 is about 8989.5687327035. The cubic root of 80812346 is about 432.3404844602.

The spelling of 80812346 in words is "eighty million, eight hundred twelve thousand, three hundred forty-six".