87570097 has 2 divisors, whose sum is σ = 87570098. Its totient is φ = 87570096.

The previous prime is 87570079. The next prime is 87570103. The reversal of 87570097 is 79007578.

Together with previous prime (87570079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51136801 + 36433296 = 7151^2 + 6036^2 .

It is a cyclic number.

It is not a de Polignac number, because 87570097 - 2¹⁹ = 87045809 is a prime.

It is not a weakly prime, because it can be changed into another prime (87570397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43785048 + 43785049.

It is an arithmetic number, because the mean of its divisors is an integer number (43785049).

Almost surely, 2^87570097 is an apocalyptic number.

It is an amenable number.

87570097 is a deficient number, since it is larger than the sum of its proper divisors (1).

87570097 is an equidigital number, since it uses as much as digits as its factorization.

87570097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 43.

The square root of 87570097 is about 9357.8895590833. The cubic root of 87570097 is about 444.0705204790.

The spelling of 87570097 in words is "eighty-seven million, five hundred seventy thousand, ninety-seven".