99854479982 has 8 divisors (see below), whose sum is σ = 149787130296. Its totient is φ = 49925436552.

The previous prime is 99854479969. The next prime is 99854480041. The reversal of 99854479982 is 28997445899.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831413 + ... + 943904.

It is an arithmetic number, because the mean of its divisors is an integer number (18723391287).

Almost surely, 2^99854479982 is an apocalyptic number.

99854479982 is a deficient number, since it is larger than the sum of its proper divisors (49932650314).

99854479982 is a wasteful number, since it uses less digits than its factorization.

99854479982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803442.

The product of its digits is 470292480, while the sum is 74.

The spelling of 99854479982 in words is "ninety-nine billion, eight hundred fifty-four million, four hundred seventy-nine thousand, nine hundred eighty-two".