90985321367 has 2 divisors, whose sum is σ = 90985321368. Its totient is φ = 90985321366.

The previous prime is 90985321289. The next prime is 90985321373. The reversal of 90985321367 is 76312358909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90985321367 - 2¹⁰ = 90985320343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90985321267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45492660683 + 45492660684.

It is an arithmetic number, because the mean of its divisors is an integer number (45492660684).

Almost surely, 2^90985321367 is an apocalyptic number.

90985321367 is a deficient number, since it is larger than the sum of its proper divisors (1).

90985321367 is an equidigital number, since it uses as much as digits as its factorization.

90985321367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 90985321367 in words is "ninety billion, nine hundred eighty-five million, three hundred twenty-one thousand, three hundred sixty-seven".