80005863 has 8 divisors (see below), whose sum is σ = 121913728. Its totient is φ = 45717624.

The previous prime is 80005847. The next prime is 80005873. The reversal of 80005863 is 36850008.

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

It is not a de Polignac number, because 80005863 - 2⁴ = 80005847 is a prime.

It is a super-2 number, since 2×80005863² = 12801876228749538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80005863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80005813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904881 + ... + 1904922.

It is an arithmetic number, because the mean of its divisors is an integer number (15239216).

Almost surely, 2^80005863 is an apocalyptic number.

80005863 is a deficient number, since it is larger than the sum of its proper divisors (41907865).

80005863 is a wasteful number, since it uses less digits than its factorization.

80005863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809813.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 80005863 is about 8944.5996556582. The cubic root of 80005863 is about 430.8974639581.

The spelling of 80005863 in words is "eighty million, five thousand, eight hundred sixty-three".