99859355 has 8 divisors (see below), whose sum is σ = 120951792. Its totient is φ = 79140448.

The previous prime is 99859351. The next prime is 99859363. The reversal of 99859355 is 55395899.

It is a happy number.

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 99859355 - 2² = 99859351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99859297 and 99859306.

It is not an unprimeable number, because it can be changed into a prime (99859351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92792 + ... + 93861.

It is an arithmetic number, because the mean of its divisors is an integer number (15118974).

Almost surely, 2^99859355 is an apocalyptic number.

99859355 is a deficient number, since it is larger than the sum of its proper divisors (21092437).

99859355 is a wasteful number, since it uses less digits than its factorization.

99859355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186765.

The product of its digits is 2187000, while the sum is 53.

The square root of 99859355 is about 9992.9652756327. The cubic root of 99859355 is about 463.9411758439.

The spelling of 99859355 in words is "ninety-nine million, eight hundred fifty-nine thousand, three hundred fifty-five".