80173663 has 2 divisors, whose sum is σ = 80173664. Its totient is φ = 80173662.

The previous prime is 80173651. The next prime is 80173721. The reversal of 80173663 is 36637108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80173663 - 2⁵ = 80173631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80173063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40086831 + 40086832.

It is an arithmetic number, because the mean of its divisors is an integer number (40086832).

Almost surely, 2^80173663 is an apocalyptic number.

80173663 is a deficient number, since it is larger than the sum of its proper divisors (1).

80173663 is an equidigital number, since it uses as much as digits as its factorization.

80173663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 80173663 is about 8953.9747040072. The cubic root of 80173663 is about 431.1985006626.

The spelling of 80173663 in words is "eighty million, one hundred seventy-three thousand, six hundred sixty-three".