90258899 has 8 divisors (see below), whose sum is σ = 96056928. Its totient is φ = 84515200.

The previous prime is 90258859. The next prime is 90258937. The reversal of 90258899 is 99885209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90258899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90258859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10127 + ... + 16824.

It is an arithmetic number, because the mean of its divisors is an integer number (12007116).

Almost surely, 2^90258899 is an apocalyptic number.

90258899 is a deficient number, since it is larger than the sum of its proper divisors (5798029).

90258899 is a wasteful number, since it uses less digits than its factorization.

90258899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27165.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 90258899 is about 9500.4683568759. The cubic root of 90258899 is about 448.5697785274.

The spelling of 90258899 in words is "ninety million, two hundred fifty-eight thousand, eight hundred ninety-nine".