89415135427 has 4 divisors (see below), whose sum is σ = 90419799960. Its totient is φ = 88410470896.

The previous prime is 89415135391. The next prime is 89415135463. The reversal of 89415135427 is 72453151498.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (89415135391) and next prime (89415135463).

It is a cyclic number.

It is not a de Polignac number, because 89415135427 - 2¹⁵ = 89415102659 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89415135527) 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 3 ways as a sum of consecutive naturals, for example, 502332133 + ... + 502332310.

It is an arithmetic number, because the mean of its divisors is an integer number (22604949990).

Almost surely, 2^89415135427 is an apocalyptic number.

89415135427 is a deficient number, since it is larger than the sum of its proper divisors (1004664533).

89415135427 is a wasteful number, since it uses less digits than its factorization.

89415135427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004664532.

The product of its digits is 1209600, while the sum is 49.

The spelling of 89415135427 in words is "eighty-nine billion, four hundred fifteen million, one hundred thirty-five thousand, four hundred twenty-seven".