80685101 has 8 divisors (see below), whose sum is σ = 92553984. Its totient is φ = 68901840.

The previous prime is 80685097. The next prime is 80685103. The reversal of 80685101 is 10158608.

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

It is not a de Polignac number, because 80685101 - 2² = 80685097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80685103) 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 7 ways as a sum of consecutive naturals, for example, 19370 + ... + 23163.

It is an arithmetic number, because the mean of its divisors is an integer number (11569248).

Almost surely, 2^80685101 is an apocalyptic number.

It is an amenable number.

80685101 is a deficient number, since it is larger than the sum of its proper divisors (11868883).

80685101 is a wasteful number, since it uses less digits than its factorization.

80685101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42811.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 80685101 is about 8982.4885749997. The cubic root of 80685101 is about 432.1134479282.

The spelling of 80685101 in words is "eighty million, six hundred eighty-five thousand, one hundred one".