80000063 has 16 divisors (see below), whose sum is σ = 95993856. Its totient is φ = 65699040.

The previous prime is 80000059. The next prime is 80000069. The reversal of 80000063 is 36000008.

It is a happy number.

It is not a de Polignac number, because 80000063 - 2² = 80000059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79999996 and 80000050.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80000069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770 + ... + 12672.

It is an arithmetic number, because the mean of its divisors is an integer number (5999616).

Almost surely, 2^80000063 is an apocalyptic number.

80000063 is a deficient number, since it is larger than the sum of its proper divisors (15993793).

80000063 is a wasteful number, since it uses less digits than its factorization.

80000063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11974.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 80000063 is about 8944.2754318055. The cubic root of 80000063 is about 430.8870511142.

The spelling of 80000063 in words is "eighty million, sixty-three", and thus it is an aban number and an uban number.