99385719 has 4 divisors (see below), whose sum is σ = 132514296. Its totient is φ = 66257144.

The previous prime is 99385711. The next prime is 99385739. The reversal of 99385719 is 91758399.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99385719 - 2³ = 99385711 is a prime.

It is a super-2 number, since 2×99385719² = 19755042282293922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99385711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16564284 + ... + 16564289.

It is an arithmetic number, because the mean of its divisors is an integer number (33128574).

Almost surely, 2^99385719 is an apocalyptic number.

99385719 is a deficient number, since it is larger than the sum of its proper divisors (33128577).

99385719 is a wasteful number, since it uses less digits than its factorization.

99385719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33128576.

The product of its digits is 612360, while the sum is 51.

The square root of 99385719 is about 9969.2386369271. The cubic root of 99385719 is about 463.2065173465.

The spelling of 99385719 in words is "ninety-nine million, three hundred eighty-five thousand, seven hundred nineteen".