80717723 has 8 divisors (see below), whose sum is σ = 82555200. Its totient is φ = 78896008.

The previous prime is 80717713. The next prime is 80717743. The reversal of 80717723 is 32771708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80717723 - 2⁸ = 80717467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80717713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6740 + ... + 14382.

It is an arithmetic number, because the mean of its divisors is an integer number (10319400).

Almost surely, 2^80717723 is an apocalyptic number.

80717723 is a deficient number, since it is larger than the sum of its proper divisors (1837477).

80717723 is a wasteful number, since it uses less digits than its factorization.

80717723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 80717723 is about 8984.3042579824. The cubic root of 80717723 is about 432.1716763800.

The spelling of 80717723 in words is "eighty million, seven hundred seventeen thousand, seven hundred twenty-three".