89518877225 has 6 divisors (see below), whose sum is σ = 111003407790. Its totient is φ = 71615101760.

The previous prime is 89518877221. The next prime is 89518877237. The reversal of 89518877225 is 52277881598.

It can be written as a sum of positive squares in 3 ways, for example, as 82591744 + 89436285481 = 9088^2 + 299059^2 .

It is not a de Polignac number, because 89518877225 - 2² = 89518877221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89518877221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1790377520 + ... + 1790377569.

It is an arithmetic number, because the mean of its divisors is an integer number (18500567965).

Almost surely, 2^89518877225 is an apocalyptic number.

It is an amenable number.

89518877225 is a deficient number, since it is larger than the sum of its proper divisors (21484530565).

89518877225 is a wasteful number, since it uses less digits than its factorization.

89518877225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580755099 (or 3580755094 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 62.

The spelling of 89518877225 in words is "eighty-nine billion, five hundred eighteen million, eight hundred seventy-seven thousand, two hundred twenty-five".