80858393 has 16 divisors (see below), whose sum is σ = 101713536. Its totient is φ = 62442240.

The previous prime is 80858389. The next prime is 80858413. The reversal of 80858393 is 39385808.

It is not a de Polignac number, because 80858393 - 2² = 80858389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80858303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4055 + ... + 13347.

It is an arithmetic number, because the mean of its divisors is an integer number (6357096).

Almost surely, 2^80858393 is an apocalyptic number.

It is an amenable number.

80858393 is a deficient number, since it is larger than the sum of its proper divisors (20855143).

80858393 is a wasteful number, since it uses less digits than its factorization.

80858393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9424.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 80858393 is about 8992.1295030710. The cubic root of 80858393 is about 432.4225849612.

The spelling of 80858393 in words is "eighty million, eight hundred fifty-eight thousand, three hundred ninety-three".