81675327 has 8 divisors (see below), whose sum is σ = 115306416. Its totient is φ = 51247232.

The previous prime is 81675313. The next prime is 81675329. The reversal of 81675327 is 72357618.

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 81675327 - 2⁷ = 81675199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81675329) 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, 800688 + ... + 800789.

It is an arithmetic number, because the mean of its divisors is an integer number (14413302).

Almost surely, 2^81675327 is an apocalyptic number.

81675327 is a deficient number, since it is larger than the sum of its proper divisors (33631089).

81675327 is a wasteful number, since it uses less digits than its factorization.

81675327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601497.

The product of its digits is 70560, while the sum is 39.

The square root of 81675327 is about 9037.4402902592. The cubic root of 81675327 is about 433.8740015927.

The spelling of 81675327 in words is "eighty-one million, six hundred seventy-five thousand, three hundred twenty-seven".