81710095 has 16 divisors (see below), whose sum is σ = 99792000. Its totient is φ = 64217088.

The previous prime is 81710093. The next prime is 81710113. The reversal of 81710095 is 59001718.

It is a cyclic number.

It is not a de Polignac number, because 81710095 - 2¹ = 81710093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81710093) 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, 105871 + ... + 106639.

It is an arithmetic number, because the mean of its divisors is an integer number (6237000).

Almost surely, 2^81710095 is an apocalyptic number.

81710095 is a deficient number, since it is larger than the sum of its proper divisors (18081905).

81710095 is a wasteful number, since it uses less digits than its factorization.

81710095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 81710095 is about 9039.3636391065. The cubic root of 81710095 is about 433.9355574785.

The spelling of 81710095 in words is "eighty-one million, seven hundred ten thousand, ninety-five".