89879559 has 16 divisors (see below), whose sum is σ = 149410560. Its totient is φ = 46690560.

The previous prime is 89879507. The next prime is 89879591. The reversal of 89879559 is 95597898.

It is not a de Polignac number, because 89879559 - 2⁷ = 89879431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89879059) 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, 194314 + ... + 194775.

It is an arithmetic number, because the mean of its divisors is an integer number (9338160).

Almost surely, 2^89879559 is an apocalyptic number.

89879559 is a deficient number, since it is larger than the sum of its proper divisors (59531001).

89879559 is a wasteful number, since it uses less digits than its factorization.

89879559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389110.

The product of its digits is 8164800, while the sum is 60.

The square root of 89879559 is about 9480.4830573131. The cubic root of 89879559 is about 447.9404799089.

The spelling of 89879559 in words is "eighty-nine million, eight hundred seventy-nine thousand, five hundred fifty-nine".