89079881 has 8 divisors (see below), whose sum is σ = 102894624. Its totient is φ = 76217920.

The previous prime is 89079871. The next prime is 89079919. The reversal of 89079881 is 18897098.

It is a happy number.

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 89079881 - 2⁶ = 89079817 is a prime.

It is a super-2 number, since 2×89079881² = 15870450397948322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89079871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237995 + ... + 238368.

It is an arithmetic number, because the mean of its divisors is an integer number (12861828).

Almost surely, 2^89079881 is an apocalyptic number.

It is an amenable number.

89079881 is a deficient number, since it is larger than the sum of its proper divisors (13814743).

89079881 is a wasteful number, since it uses less digits than its factorization.

89079881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476391.

The product of its (nonzero) digits is 290304, while the sum is 50.

The square root of 89079881 is about 9438.2138670407. The cubic root of 89079881 is about 446.6080457585.

The spelling of 89079881 in words is "eighty-nine million, seventy-nine thousand, eight hundred eighty-one".