81794110 has 16 divisors (see below), whose sum is σ = 147420000. Its totient is φ = 32675296.

The previous prime is 81794077. The next prime is 81794113. The reversal of 81794110 is 1149718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81794113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516 + ... + 13264.

It is an arithmetic number, because the mean of its divisors is an integer number (9213750).

Almost surely, 2^81794110 is an apocalyptic number.

81794110 is a deficient number, since it is larger than the sum of its proper divisors (65625890).

81794110 is a wasteful number, since it uses less digits than its factorization.

81794110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10595.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 81794110 is about 9044.0096196322. The cubic root of 81794110 is about 434.0842319184.

The spelling of 81794110 in words is "eighty-one million, seven hundred ninety-four thousand, one hundred ten".