89426505 has 32 divisors (see below), whose sum is σ = 164991744. Its totient is φ = 40513536.

The previous prime is 89426497. The next prime is 89426563. The reversal of 89426505 is 50562498.

89426505 = 368² + 369² + ... + 682².

It is not a de Polignac number, because 89426505 - 2³ = 89426497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8097 + ... + 15633.

It is an arithmetic number, because the mean of its divisors is an integer number (5155992).

Almost surely, 2^89426505 is an apocalyptic number.

It is an amenable number.

89426505 is a deficient number, since it is larger than the sum of its proper divisors (75565239).

89426505 is a wasteful number, since it uses less digits than its factorization.

89426505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 89426505 is about 9456.5588350097. The cubic root of 89426505 is about 447.1865703669.

The spelling of 89426505 in words is "eighty-nine million, four hundred twenty-six thousand, five hundred five".