87225225097 has 2 divisors, whose sum is σ = 87225225098. Its totient is φ = 87225225096.

The previous prime is 87225225083. The next prime is 87225225121. The reversal of 87225225097 is 79052252278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78680811001 + 8544414096 = 280501^2 + 92436^2 .

It is a cyclic number.

It is not a de Polignac number, because 87225225097 - 2¹⁹ = 87224700809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87225225097.

It is not a weakly prime, because it can be changed into another prime (87225225497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43612612548 + 43612612549.

It is an arithmetic number, because the mean of its divisors is an integer number (43612612549).

Almost surely, 2^87225225097 is an apocalyptic number.

It is an amenable number.

87225225097 is a deficient number, since it is larger than the sum of its proper divisors (1).

87225225097 is an equidigital number, since it uses as much as digits as its factorization.

87225225097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 87225225097 in words is "eighty-seven billion, two hundred twenty-five million, two hundred twenty-five thousand, ninety-seven".