89439279434 has 8 divisors (see below), whose sum is σ = 134161492320. Its totient is φ = 44718781996.

The previous prime is 89439279427. The next prime is 89439279437. The reversal of 89439279434 is 43497293498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89439279437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289454 + ... + 512505.

It is an arithmetic number, because the mean of its divisors is an integer number (16770186540).

Almost surely, 2^89439279434 is an apocalyptic number.

89439279434 is a deficient number, since it is larger than the sum of its proper divisors (44722212886).

89439279434 is a wasteful number, since it uses less digits than its factorization.

89439279434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857724.

The product of its digits is 47029248, while the sum is 62.

The spelling of 89439279434 in words is "eighty-nine billion, four hundred thirty-nine million, two hundred seventy-nine thousand, four hundred thirty-four".