90560068597 has 2 divisors, whose sum is σ = 90560068598. Its totient is φ = 90560068596.

The previous prime is 90560068583. The next prime is 90560068639. The reversal of 90560068597 is 79586006509.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88037417521 + 2522651076 = 296711^2 + 50226^2 .

It is an emirp because it is prime and its reverse (79586006509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90560068597 - 2¹⁵ = 90560035829 is a prime.

It is a super-2 number, since 2×90560068597² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90560068537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45280034298 + 45280034299.

It is an arithmetic number, because the mean of its divisors is an integer number (45280034299).

Almost surely, 2^90560068597 is an apocalyptic number.

It is an amenable number.

90560068597 is a deficient number, since it is larger than the sum of its proper divisors (1).

90560068597 is an equidigital number, since it uses as much as digits as its factorization.

90560068597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 90560068597 in words is "ninety billion, five hundred sixty million, sixty-eight thousand, five hundred ninety-seven".