89799799 has 8 divisors (see below), whose sum is σ = 92333808. Its totient is φ = 87282240.

The previous prime is 89799793. The next prime is 89799803. The reversal of 89799799 is 99799798.

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 89799799 - 2³ = 89799791 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 7 ways as a sum of consecutive naturals, for example, 7404 + ... + 15310.

It is an arithmetic number, because the mean of its divisors is an integer number (11541726).

Almost surely, 2^89799799 is an apocalyptic number.

89799799 is a deficient number, since it is larger than the sum of its proper divisors (2534009).

89799799 is a wasteful number, since it uses less digits than its factorization.

89799799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225.

The product of its digits is 23147208, while the sum is 67.

The square root of 89799799 is about 9476.2755869593. The cubic root of 89799799 is about 447.8079384402.

Subtracting 89799799 from its reverse (99799798), we obtain a palindrome (9999999).

The spelling of 89799799 in words is "eighty-nine million, seven hundred ninety-nine thousand, seven hundred ninety-nine".