89982479 has 4 divisors (see below), whose sum is σ = 95275584. Its totient is φ = 84689376.

The previous prime is 89982467. The next prime is 89982481. The reversal of 89982479 is 97428998.

It is a happy number.

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

It is not a de Polignac number, because 89982479 - 2¹⁶ = 89916943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89982419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2646527 + ... + 2646560.

It is an arithmetic number, because the mean of its divisors is an integer number (23818896).

Almost surely, 2^89982479 is an apocalyptic number.

89982479 is a deficient number, since it is larger than the sum of its proper divisors (5293105).

89982479 is a wasteful number, since it uses less digits than its factorization.

89982479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293104.

The product of its digits is 2612736, while the sum is 56.

The square root of 89982479 is about 9485.9094977762. The cubic root of 89982479 is about 448.1113917711. Note that the first 3 decimals are identical.

The spelling of 89982479 in words is "eighty-nine million, nine hundred eighty-two thousand, four hundred seventy-nine".