80816017 has 4 divisors (see below), whose sum is σ = 82185840. Its totient is φ = 79446196.

The previous prime is 80815993. The next prime is 80816023. The reversal of 80816017 is 71061808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80816017 - 2¹¹ = 80813969 is a prime.

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 80816017.

It is not an unprimeable number, because it can be changed into a prime (80816117) 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, 684823 + ... + 684940.

It is an arithmetic number, because the mean of its divisors is an integer number (20546460).

Almost surely, 2^80816017 is an apocalyptic number.

It is an amenable number.

80816017 is a deficient number, since it is larger than the sum of its proper divisors (1369823).

80816017 is a wasteful number, since it uses less digits than its factorization.

80816017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369822.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 80816017 is about 8989.7729114811. The cubic root of 80816017 is about 432.3470308934.

The spelling of 80816017 in words is "eighty million, eight hundred sixteen thousand, seventeen".