80819078 has 8 divisors (see below), whose sum is σ = 121288368. Its totient is φ = 40389624.

The previous prime is 80819021. The next prime is 80819093. The reversal of 80819078 is 87091808.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4226 + ... + 13397.

It is an arithmetic number, because the mean of its divisors is an integer number (15161046).

Almost surely, 2^80819078 is an apocalyptic number.

80819078 is a deficient number, since it is larger than the sum of its proper divisors (40469290).

80819078 is a wasteful number, since it uses less digits than its factorization.

80819078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19918.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 80819078 is about 8989.9431588859. The cubic root of 80819078 is about 432.3524893722.

The spelling of 80819078 in words is "eighty million, eight hundred nineteen thousand, seventy-eight".