89879145 has 8 divisors (see below), whose sum is σ = 143806656. Its totient is φ = 47935536.

The previous prime is 89879143. The next prime is 89879171. The reversal of 89879145 is 54197898.

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

It is not a de Polignac number, because 89879145 - 2¹ = 89879143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89879143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2995957 + ... + 2995986.

It is an arithmetic number, because the mean of its divisors is an integer number (17975832).

Almost surely, 2^89879145 is an apocalyptic number.

It is an amenable number.

89879145 is a deficient number, since it is larger than the sum of its proper divisors (53927511).

89879145 is a wasteful number, since it uses less digits than its factorization.

89879145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991951.

The product of its digits is 725760, while the sum is 51.

The square root of 89879145 is about 9480.4612229575. The cubic root of 89879145 is about 447.9397921454.

The spelling of 89879145 in words is "eighty-nine million, eight hundred seventy-nine thousand, one hundred forty-five".