89897279899 has 8 divisors (see below), whose sum is σ = 102761186528. Its totient is φ = 77038732800.

The previous prime is 89897279869. The next prime is 89897279911. The reversal of 89897279899 is 99897279898.

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 89897279899 - 2¹⁵ = 89897247131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89897279869) 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, 1303872 + ... + 1371085.

It is an arithmetic number, because the mean of its divisors is an integer number (12845148316).

Almost surely, 2^89897279899 is an apocalyptic number.

89897279899 is a deficient number, since it is larger than the sum of its proper divisors (12863906629).

89897279899 is a wasteful number, since it uses less digits than its factorization.

89897279899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679765.

The product of its digits is 2962842624, while the sum is 85.

Subtracting 89897279899 from its reverse (99897279898), we obtain a palindrome (9999999999).

The spelling of 89897279899 in words is "eighty-nine billion, eight hundred ninety-seven million, two hundred seventy-nine thousand, eight hundred ninety-nine".