80570818 has 8 divisors (see below), whose sum is σ = 120894480. Its totient is φ = 40272660.

The previous prime is 80570807. The next prime is 80570821. The reversal of 80570818 is 81807508.

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

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 3 ways as a sum of consecutive naturals, for example, 8073 + ... + 15043.

It is an arithmetic number, because the mean of its divisors is an integer number (15111810).

Almost surely, 2^80570818 is an apocalyptic number.

80570818 is a deficient number, since it is larger than the sum of its proper divisors (40323662).

80570818 is a wasteful number, since it uses less digits than its factorization.

80570818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12752.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 80570818 is about 8976.1248877230. The cubic root of 80570818 is about 431.9093352543.

The spelling of 80570818 in words is "eighty million, five hundred seventy thousand, eight hundred eighteen".