90999935027 has 2 divisors, whose sum is σ = 90999935028. Its totient is φ = 90999935026.

The previous prime is 90999935009. The next prime is 90999935053. The reversal of 90999935027 is 72053999909.

It is a weak prime.

It is an emirp because it is prime and its reverse (72053999909) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90999935027 - 2⁸ = 90999934771 is a prime.

It is not a weakly prime, because it can be changed into another prime (90999935927) 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, 45499967513 + 45499967514.

It is an arithmetic number, because the mean of its divisors is an integer number (45499967514).

Almost surely, 2^90999935027 is an apocalyptic number.

90999935027 is a deficient number, since it is larger than the sum of its proper divisors (1).

90999935027 is an equidigital number, since it uses as much as digits as its factorization.

90999935027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12400290, while the sum is 62.

The spelling of 90999935027 in words is "ninety billion, nine hundred ninety-nine million, nine hundred thirty-five thousand, twenty-seven".