90485260387 has 2 divisors, whose sum is σ = 90485260388. Its totient is φ = 90485260386.

The previous prime is 90485260343. The next prime is 90485260417. The reversal of 90485260387 is 78306258409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90485260387 - 2⁷ = 90485260259 is a prime.

It is not a weakly prime, because it can be changed into another prime (90485260787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45242630193 + 45242630194.

It is an arithmetic number, because the mean of its divisors is an integer number (45242630194).

Almost surely, 2^90485260387 is an apocalyptic number.

90485260387 is a deficient number, since it is larger than the sum of its proper divisors (1).

90485260387 is an equidigital number, since it uses as much as digits as its factorization.

90485260387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 90485260387 in words is "ninety billion, four hundred eighty-five million, two hundred sixty thousand, three hundred eighty-seven".