90359791 has 2 divisors, whose sum is σ = 90359792. Its totient is φ = 90359790.

The previous prime is 90359741. The next prime is 90359827. The reversal of 90359791 is 19795309.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90359791 - 2⁹ = 90359279 is a prime.

It is a super-3 number, since 3×90359791³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90359701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45179895 + 45179896.

It is an arithmetic number, because the mean of its divisors is an integer number (45179896).

Almost surely, 2^90359791 is an apocalyptic number.

90359791 is a deficient number, since it is larger than the sum of its proper divisors (1).

90359791 is an equidigital number, since it uses as much as digits as its factorization.

90359791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 90359791 is about 9505.7767173440. The cubic root of 90359791 is about 448.7368543879.

The spelling of 90359791 in words is "ninety million, three hundred fifty-nine thousand, seven hundred ninety-one".