81036095 has 8 divisors (see below), whose sum is σ = 111135264. Its totient is φ = 55567584.

The previous prime is 81036071. The next prime is 81036101. The reversal of 81036095 is 59063018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 81036095 - 2⁸ = 81035839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157624 + ... + 1157693.

It is an arithmetic number, because the mean of its divisors is an integer number (13891908).

Almost surely, 2^81036095 is an apocalyptic number.

81036095 is a deficient number, since it is larger than the sum of its proper divisors (30099169).

81036095 is a wasteful number, since it uses less digits than its factorization.

81036095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315329.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 81036095 is about 9002.0050544309. The cubic root of 81036095 is about 432.7391306817.

The spelling of 81036095 in words is "eighty-one million, thirty-six thousand, ninety-five".