99885655 has 8 divisors (see below), whose sum is σ = 122124672. Its totient is φ = 78400608.

The previous prime is 99885631. The next prime is 99885673. The reversal of 99885655 is 55658899.

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 99885655 - 2⁵ = 99885623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99885596 and 99885605.

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, 188199 + ... + 188728.

It is an arithmetic number, because the mean of its divisors is an integer number (15265584).

Almost surely, 2^99885655 is an apocalyptic number.

99885655 is a deficient number, since it is larger than the sum of its proper divisors (22239017).

99885655 is a wasteful number, since it uses less digits than its factorization.

99885655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376985.

The product of its digits is 3888000, while the sum is 55.

The square root of 99885655 is about 9994.2811147176. The cubic root of 99885655 is about 463.9819017292.

The spelling of 99885655 in words is "ninety-nine million, eight hundred eighty-five thousand, six hundred fifty-five".