99581327 has 8 divisors (see below), whose sum is σ = 101296416. Its totient is φ = 97880832.

The previous prime is 99581323. The next prime is 99581347. The reversal of 99581327 is 72318599.

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 99581327 - 2² = 99581323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99581323) 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, 10583 + ... + 17639.

It is an arithmetic number, because the mean of its divisors is an integer number (12662052).

Almost surely, 2^99581327 is an apocalyptic number.

99581327 is a deficient number, since it is larger than the sum of its proper divisors (1715089).

99581327 is a wasteful number, since it uses less digits than its factorization.

99581327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297.

The product of its digits is 136080, while the sum is 44.

The square root of 99581327 is about 9979.0443931270. The cubic root of 99581327 is about 463.5102079337.

The spelling of 99581327 in words is "ninety-nine million, five hundred eighty-one thousand, three hundred twenty-seven".