81106088 has 32 divisors (see below), whose sum is σ = 176655360. Its totient is φ = 34188480.

The previous prime is 81106087. The next prime is 81106093. The reversal of 81106088 is 88060118.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (81106087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8456 + ... + 15287.

It is an arithmetic number, because the mean of its divisors is an integer number (5520480).

Almost surely, 2^81106088 is an apocalyptic number.

It is an amenable number.

81106088 is an abundant number, since it is smaller than the sum of its proper divisors (95549272).

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

81106088 is a wasteful number, since it uses less digits than its factorization.

81106088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23817 (or 23813 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 81106088 is about 9005.8918492285. The cubic root of 81106088 is about 432.8636842064.

The spelling of 81106088 in words is "eighty-one million, one hundred six thousand, eighty-eight".