90588669113897 has 2 divisors, whose sum is σ = 90588669113898. Its totient is φ = 90588669113896.

The previous prime is 90588669113843. The next prime is 90588669113993. The reversal of 90588669113897 is 79831196688509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71754943947241 + 18833725166656 = 8470829^2 + 4339784^2 .

It is a cyclic number.

It is not a de Polignac number, because 90588669113897 - 2⁸ = 90588669113641 is a prime.

It is not a weakly prime, because it can be changed into another prime (90588669113807) 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, 45294334556948 + 45294334556949.

It is an arithmetic number, because the mean of its divisors is an integer number (45294334556949).

Almost surely, 2^{90588669113897} is an apocalyptic number.

It is an amenable number.

90588669113897 is a deficient number, since it is larger than the sum of its proper divisors (1).

90588669113897 is an equidigital number, since it uses as much as digits as its factorization.

90588669113897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1410877440, while the sum is 80.

The spelling of 90588669113897 in words is "ninety trillion, five hundred eighty-eight billion, six hundred sixty-nine million, one hundred thirteen thousand, eight hundred ninety-seven".