89522251447 has 4 divisors (see below), whose sum is σ = 94788266256. Its totient is φ = 84256236640.

The previous prime is 89522251439. The next prime is 89522251457. The reversal of 89522251447 is 74415222598.

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

It is a cyclic number.

It is not a de Polignac number, because 89522251447 - 2³ = 89522251439 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 self number, because there is not a number n which added to its sum of digits gives 89522251447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89522251457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633007379 + ... + 2633007412.

It is an arithmetic number, because the mean of its divisors is an integer number (23697066564).

Almost surely, 2^89522251447 is an apocalyptic number.

89522251447 is a deficient number, since it is larger than the sum of its proper divisors (5266014809).

89522251447 is a wasteful number, since it uses less digits than its factorization.

89522251447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266014808.

The product of its digits is 1612800, while the sum is 49.

The spelling of 89522251447 in words is "eighty-nine billion, five hundred twenty-two million, two hundred fifty-one thousand, four hundred forty-seven".