79680903 has 8 divisors (see below), whose sum is σ = 107273088. Its totient is φ = 52604664.

The previous prime is 79680883. The next prime is 79680907. The reversal of 79680903 is 30908697.

It is a happy number.

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

It is not a de Polignac number, because 79680903 - 2⁵ = 79680871 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79680907) 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, 128625 + ... + 129242.

It is an arithmetic number, because the mean of its divisors is an integer number (13409136).

Almost surely, 2^79680903 is an apocalyptic number.

79680903 is a deficient number, since it is larger than the sum of its proper divisors (27592185).

79680903 is a wasteful number, since it uses less digits than its factorization.

79680903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257973.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 79680903 is about 8926.4160221222. The cubic root of 79680903 is about 430.3132799046.

The spelling of 79680903 in words is "seventy-nine million, six hundred eighty thousand, nine hundred three".