99871382 has 16 divisors (see below), whose sum is σ = 168346080. Its totient is φ = 44090112.

The previous prime is 99871363. The next prime is 99871393. The reversal of 99871382 is 28317899.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82907 + ... + 84102.

It is an arithmetic number, because the mean of its divisors is an integer number (10521630).

Almost surely, 2^99871382 is an apocalyptic number.

99871382 is a deficient number, since it is larger than the sum of its proper divisors (68474698).

99871382 is a wasteful number, since it uses less digits than its factorization.

99871382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167047.

The product of its digits is 217728, while the sum is 47.

The square root of 99871382 is about 9993.5670308454. The cubic root of 99871382 is about 463.9598006940.

The spelling of 99871382 in words is "ninety-nine million, eight hundred seventy-one thousand, three hundred eighty-two".