99769 has 8 divisors (see below), whose sum is σ = 108000. Its totient is φ = 91872.

The previous prime is 99767. The next prime is 99787. The reversal of 99769 is 96799.

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 99769 - 2¹ = 99767 is a prime.

It is a super-2 number, since 2×99769² = 19907706722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99761) 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, 1077 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (13500).

2⁹⁹⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

99769 is a deficient number, since it is larger than the sum of its proper divisors (8231).

99769 is a wasteful number, since it uses less digits than its factorization.

99769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167.

The product of its digits is 30618, while the sum is 40.

The square root of 99769 is about 315.8623117752. The cubic root of 99769 is about 46.3801205468.

It can be divided in two parts, 99 and 769, that added together give a palindrome (868).

The spelling of 99769 in words is "ninety-nine thousand, seven hundred sixty-nine".