90298324577 has 2 divisors, whose sum is σ = 90298324578. Its totient is φ = 90298324576.

The previous prime is 90298324547. The next prime is 90298324609. The reversal of 90298324577 is 77542389209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63562477456 + 26735847121 = 252116^2 + 163511^2 .

It is a cyclic number.

It is not a de Polignac number, because 90298324577 - 2¹⁴ = 90298308193 is a prime.

It is not a weakly prime, because it can be changed into another prime (90298324547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45149162288 + 45149162289.

It is an arithmetic number, because the mean of its divisors is an integer number (45149162289).

Almost surely, 2^90298324577 is an apocalyptic number.

It is an amenable number.

90298324577 is a deficient number, since it is larger than the sum of its proper divisors (1).

90298324577 is an equidigital number, since it uses as much as digits as its factorization.

90298324577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 90298324577 in words is "ninety billion, two hundred ninety-eight million, three hundred twenty-four thousand, five hundred seventy-seven".