99736869 has 4 divisors (see below), whose sum is σ = 132982496. Its totient is φ = 66491244.

The previous prime is 99736837. The next prime is 99736883. The reversal of 99736869 is 96863799.

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 not a de Polignac number, because 99736869 - 2⁵ = 99736837 is a prime.

It is a super-2 number, since 2×99736869² = 19894886075846322, 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 (99736069) 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, 16622809 + ... + 16622814.

It is an arithmetic number, because the mean of its divisors is an integer number (33245624).

Almost surely, 2^99736869 is an apocalyptic number.

It is an amenable number.

99736869 is a deficient number, since it is larger than the sum of its proper divisors (33245627).

99736869 is a wasteful number, since it uses less digits than its factorization.

99736869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33245626.

The product of its digits is 4408992, while the sum is 57.

The square root of 99736869 is about 9986.8347838542. The cubic root of 99736869 is about 463.7514104524.

The spelling of 99736869 in words is "ninety-nine million, seven hundred thirty-six thousand, eight hundred sixty-nine".