80105860 has 48 divisors (see below), whose sum is σ = 177408000. Its totient is φ = 30337920.

The previous prime is 80105833. The next prime is 80105863. The reversal of 80105860 is 6850108.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80105863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27766 + ... + 30514.

It is an arithmetic number, because the mean of its divisors is an integer number (3696000).

Almost surely, 2^80105860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80105860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88704000).

80105860 is an abundant number, since it is smaller than the sum of its proper divisors (97302140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80105860 is a wasteful number, since it uses less digits than its factorization.

80105860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 80105860 is about 8950.1877075288. The cubic root of 80105860 is about 431.0769112839.

Adding to 80105860 its reverse (6850108), we get a palindrome (86955968).

The spelling of 80105860 in words is "eighty million, one hundred five thousand, eight hundred sixty".