90909367 has 2 divisors, whose sum is σ = 90909368. Its totient is φ = 90909366.

The previous prime is 90909361. The next prime is 90909373. The reversal of 90909367 is 76390909.

It is a balanced prime because it is at equal distance from previous prime (90909361) and next prime (90909373).

It is a cyclic number.

It is not a de Polignac number, because 90909367 - 2⁷ = 90909239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90909361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45454683 + 45454684.

It is an arithmetic number, because the mean of its divisors is an integer number (45454684).

Almost surely, 2^90909367 is an apocalyptic number.

90909367 is a deficient number, since it is larger than the sum of its proper divisors (1).

90909367 is an equidigital number, since it uses as much as digits as its factorization.

90909367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 90909367 is about 9534.6403707743. The cubic root of 90909367 is about 449.6447682121.

The spelling of 90909367 in words is "ninety million, nine hundred nine thousand, three hundred sixty-seven".