89889425 has 12 divisors (see below), whose sum is σ = 114182796. Its totient is φ = 70156800.

The previous prime is 89889409. The next prime is 89889461. The reversal of 89889425 is 52498898.

It can be written as a sum of positive squares in 6 ways, for example, as 341056 + 89548369 = 584^2 + 9463^2 .

It is not a de Polignac number, because 89889425 - 2⁴ = 89889409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42824 + ... + 44873.

It is an arithmetic number, because the mean of its divisors is an integer number (9515233).

Almost surely, 2^89889425 is an apocalyptic number.

It is an amenable number.

89889425 is a deficient number, since it is larger than the sum of its proper divisors (24293371).

89889425 is a wasteful number, since it uses less digits than its factorization.

89889425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87748 (or 87743 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 53.

The square root of 89889425 is about 9481.0033751708. The cubic root of 89889425 is about 447.9568693198.

The spelling of 89889425 in words is "eighty-nine million, eight hundred eighty-nine thousand, four hundred twenty-five".