80647903 has 8 divisors (see below), whose sum is σ = 92316672. Its totient is φ = 69016056.

The previous prime is 80647891. The next prime is 80647937. The reversal of 80647903 is 30974608.

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 80647903 - 2⁵ = 80647871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80648903) 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, 4375 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (11539584).

Almost surely, 2^80647903 is an apocalyptic number.

80647903 is a deficient number, since it is larger than the sum of its proper divisors (11668769).

80647903 is a wasteful number, since it uses less digits than its factorization.

80647903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18461.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 80647903 is about 8980.4177519757. The cubic root of 80647903 is about 432.0470324165.

The spelling of 80647903 in words is "eighty million, six hundred forty-seven thousand, nine hundred three".