99885869 has 8 divisors (see below), whose sum is σ = 106186080. Its totient is φ = 93690000.

The previous prime is 99885859. The next prime is 99885871. The reversal of 99885869 is 96858899.

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 99885869 - 2⁸ = 99885613 is a prime.

It is a super-2 number, since 2×99885869² = 19954373651770322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99885809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24107 + ... + 27944.

It is an arithmetic number, because the mean of its divisors is an integer number (13273260).

Almost surely, 2^99885869 is an apocalyptic number.

It is an amenable number.

99885869 is a deficient number, since it is larger than the sum of its proper divisors (6300211).

99885869 is a wasteful number, since it uses less digits than its factorization.

99885869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52171.

The product of its digits is 11197440, while the sum is 62.

The square root of 99885869 is about 9994.2918208345. The cubic root of 99885869 is about 463.9822330816.

The spelling of 99885869 in words is "ninety-nine million, eight hundred eighty-five thousand, eight hundred sixty-nine".