89079842 has 4 divisors (see below), whose sum is σ = 133619766. Its totient is φ = 44539920.

The previous prime is 89079829. The next prime is 89079857. The reversal of 89079842 is 24897098.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81522841 + 7557001 = 9029^2 + 2749^2 .

It is a super-3 number, since 3×89079842³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22269959 + ... + 22269962.

Almost surely, 2^89079842 is an apocalyptic number.

89079842 is a deficient number, since it is larger than the sum of its proper divisors (44539924).

89079842 is a wasteful number, since it uses less digits than its factorization.

89079842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44539923.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 89079842 is about 9438.2118009716. The cubic root of 89079842 is about 446.6079805821.

The spelling of 89079842 in words is "eighty-nine million, seventy-nine thousand, eight hundred forty-two".