80106894 has 112 divisors (see below), whose sum is σ = 211534848. Its totient is φ = 22266576.

The previous prime is 80106889. The next prime is 80106899. The reversal of 80106894 is 49860108.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80106889) and next prime (80106899).

It is a super-2 number, since 2×80106894² = 12834228932654472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80106899) 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 55 ways as a sum of consecutive naturals, for example, 479599 + ... + 479765.

It is an arithmetic number, because the mean of its divisors is an integer number (1888704).

Almost surely, 2^80106894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80106894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105767424).

80106894 is an abundant number, since it is smaller than the sum of its proper divisors (131427954).

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

80106894 is a wasteful number, since it uses less digits than its factorization.

80106894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 80106894 is about 8950.2454714941. The cubic root of 80106894 is about 431.0787660446.

The spelling of 80106894 in words is "eighty million, one hundred six thousand, eight hundred ninety-four".