99087855 has 8 divisors (see below), whose sum is σ = 158540592. Its totient is φ = 52846848.

The previous prime is 99087827. The next prime is 99087889. The reversal of 99087855 is 55878099.

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

It is not a de Polignac number, because 99087855 - 2¹⁴ = 99071471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99087798 and 99087807.

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, 3302914 + ... + 3302943.

It is an arithmetic number, because the mean of its divisors is an integer number (19817574).

Almost surely, 2^99087855 is an apocalyptic number.

99087855 is a deficient number, since it is larger than the sum of its proper divisors (59452737).

99087855 is a wasteful number, since it uses less digits than its factorization.

99087855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605865.

The product of its (nonzero) digits is 907200, while the sum is 51.

The square root of 99087855 is about 9954.2882718957. The cubic root of 99087855 is about 462.7433032002.

The spelling of 99087855 in words is "ninety-nine million, eighty-seven thousand, eight hundred fifty-five".