90362287 has 2 divisors, whose sum is σ = 90362288. Its totient is φ = 90362286.

The previous prime is 90362273. The next prime is 90362299. The reversal of 90362287 is 78226309.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90362287 - 2⁷ = 90362159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90362257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45181143 + 45181144.

It is an arithmetic number, because the mean of its divisors is an integer number (45181144).

Almost surely, 2^90362287 is an apocalyptic number.

90362287 is a deficient number, since it is larger than the sum of its proper divisors (1).

90362287 is an equidigital number, since it uses as much as digits as its factorization.

90362287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 90362287 is about 9505.9080050251. The cubic root of 90362287 is about 448.7409861552.

It can be divided in two parts, 903 and 62287, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 90362287 in words is "ninety million, three hundred sixty-two thousand, two hundred eighty-seven".