89071279 has 8 divisors (see below), whose sum is σ = 102884688. Its totient is φ = 76210560.

The previous prime is 89071271. The next prime is 89071291. The reversal of 89071279 is 97217098.

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 89071279 - 2³ = 89071271 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89071271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237972 + ... + 238345.

It is an arithmetic number, because the mean of its divisors is an integer number (12860586).

Almost surely, 2^89071279 is an apocalyptic number.

89071279 is a deficient number, since it is larger than the sum of its proper divisors (13813409).

89071279 is a wasteful number, since it uses less digits than its factorization.

89071279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476345.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 89071279 is about 9437.7581554096. The cubic root of 89071279 is about 446.5936697250.

The spelling of 89071279 in words is "eighty-nine million, seventy-one thousand, two hundred seventy-nine".