89799797 has 16 divisors (see below), whose sum is σ = 99895680. Its totient is φ = 80289792.

The previous prime is 89799793. The next prime is 89799803. The reversal of 89799797 is 79799798.

It is a cyclic number.

It is not a de Polignac number, because 89799797 - 2² = 89799793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89799791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63029 + ... + 64437.

It is an arithmetic number, because the mean of its divisors is an integer number (6243480).

Almost surely, 2^89799797 is an apocalyptic number.

It is an amenable number.

89799797 is a deficient number, since it is larger than the sum of its proper divisors (10095883).

89799797 is a wasteful number, since it uses less digits than its factorization.

89799797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its digits is 18003384, while the sum is 65.

The square root of 89799797 is about 9476.2754814326. The cubic root of 89799797 is about 447.8079351157.

Subtracting from 89799797 its reverse (79799798), we obtain a palindrome (9999999).

The spelling of 89799797 in words is "eighty-nine million, seven hundred ninety-nine thousand, seven hundred ninety-seven".