89312920225 has 12 divisors (see below), whose sum is σ = 111728095596. Its totient is φ = 70818030080.

The previous prime is 89312920211. The next prime is 89312920237. The reversal of 89312920225 is 52202921398.

It can be written as a sum of positive squares in 6 ways, for example, as 32360052321 + 56952867904 = 179889^2 + 238648^2 .

It is not a de Polignac number, because 89312920225 - 2¹⁹ = 89312395937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15804772 + ... + 15810421.

It is an arithmetic number, because the mean of its divisors is an integer number (9310674633).

Almost surely, 2^89312920225 is an apocalyptic number.

It is an amenable number.

89312920225 is a deficient number, since it is larger than the sum of its proper divisors (22415175371).

89312920225 is a wasteful number, since it uses less digits than its factorization.

89312920225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31615316 (or 31615311 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 89312920225 in words is "eighty-nine billion, three hundred twelve million, nine hundred twenty thousand, two hundred twenty-five".