90669255 has 16 divisors (see below), whose sum is σ = 145213440. Its totient is φ = 48309408.

The previous prime is 90669223. The next prime is 90669269. The reversal of 90669255 is 55296609.

It is not a de Polignac number, because 90669255 - 2⁵ = 90669223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17226 + ... + 21864.

It is an arithmetic number, because the mean of its divisors is an integer number (9075840).

Almost surely, 2^90669255 is an apocalyptic number.

90669255 is a deficient number, since it is larger than the sum of its proper divisors (54544185).

90669255 is a wasteful number, since it uses less digits than its factorization.

90669255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 90669255 is about 9522.0404851061. The cubic root of 90669255 is about 449.2485483240.

The spelling of 90669255 in words is "ninety million, six hundred sixty-nine thousand, two hundred fifty-five".