80680101 has 4 divisors (see below), whose sum is σ = 107573472. Its totient is φ = 53786732.

The previous prime is 80680097. The next prime is 80680123. The reversal of 80680101 is 10108608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80680101 - 2² = 80680097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80640101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13446681 + ... + 13446686.

It is an arithmetic number, because the mean of its divisors is an integer number (26893368).

Almost surely, 2^80680101 is an apocalyptic number.

It is an amenable number.

80680101 is a deficient number, since it is larger than the sum of its proper divisors (26893371).

80680101 is a wasteful number, since it uses less digits than its factorization.

80680101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26893370.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 80680101 is about 8982.2102513802. The cubic root of 80680101 is about 432.1045218198.

Adding to 80680101 its reverse (10108608), we get a palindrome (90788709).

The spelling of 80680101 in words is "eighty million, six hundred eighty thousand, one hundred one".