99107689 has 4 divisors (see below), whose sum is σ = 99407440. Its totient is φ = 98807940.

The previous prime is 99107639. The next prime is 99107699. The reversal of 99107689 is 98670199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99107689 - 2¹¹ = 99105641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99107609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149379 + ... + 150040.

It is an arithmetic number, because the mean of its divisors is an integer number (24851860).

Almost surely, 2^99107689 is an apocalyptic number.

It is an amenable number.

99107689 is a deficient number, since it is larger than the sum of its proper divisors (299751).

99107689 is a wasteful number, since it uses less digits than its factorization.

99107689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299750.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 99107689 is about 9955.2844760961. The cubic root of 99107689 is about 462.7741762686.

The spelling of 99107689 in words is "ninety-nine million, one hundred seven thousand, six hundred eighty-nine".