80815063 has 6 divisors (see below), whose sum is σ = 94009416. Its totient is φ = 69270012.

The previous prime is 80815051. The next prime is 80815069. The reversal of 80815063 is 36051808.

It is not a de Polignac number, because 80815063 - 2¹⁷ = 80683991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80815069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 824595 + ... + 824692.

It is an arithmetic number, because the mean of its divisors is an integer number (15668236).

Almost surely, 2^80815063 is an apocalyptic number.

80815063 is a deficient number, since it is larger than the sum of its proper divisors (13194353).

80815063 is a wasteful number, since it uses less digits than its factorization.

80815063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649301 (or 1649294 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 80815063 is about 8989.7198510298. The cubic root of 80815063 is about 432.3453296601.

The spelling of 80815063 in words is "eighty million, eight hundred fifteen thousand, sixty-three".