80173963 has 4 divisors (see below), whose sum is σ = 81879840. Its totient is φ = 78468088.

The previous prime is 80173943. The next prime is 80173987. The reversal of 80173963 is 36937108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80173963 - 2⁹ = 80173451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80173943) 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, 852868 + ... + 852961.

It is an arithmetic number, because the mean of its divisors is an integer number (20469960).

Almost surely, 2^80173963 is an apocalyptic number.

80173963 is a deficient number, since it is larger than the sum of its proper divisors (1705877).

80173963 is a wasteful number, since it uses less digits than its factorization.

80173963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705876.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 80173963 is about 8953.9914563283. The cubic root of 80173963 is about 431.1990384925.

The spelling of 80173963 in words is "eighty million, one hundred seventy-three thousand, nine hundred sixty-three".