80086859 has 4 divisors (see below), whose sum is σ = 80150280. Its totient is φ = 80023440.

The previous prime is 80086849. The next prime is 80086861. The reversal of 80086859 is 95868008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80086859 is a prime.

It is a super-3 number, since 3×80086859³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80086819) 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, 29777 + ... + 32354.

It is an arithmetic number, because the mean of its divisors is an integer number (20037570).

Almost surely, 2^80086859 is an apocalyptic number.

80086859 is a deficient number, since it is larger than the sum of its proper divisors (63421).

80086859 is a wasteful number, since it uses less digits than its factorization.

80086859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63420.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 80086859 is about 8949.1261584582. The cubic root of 80086859 is about 431.0428249715.

The spelling of 80086859 in words is "eighty million, eighty-six thousand, eight hundred fifty-nine".