90486799 has 12 divisors (see below), whose sum is σ = 100706088. Its totient is φ = 80820720.

The previous prime is 90486763. The next prime is 90486817. The reversal of 90486799 is 99768409.

It is a de Polignac number, because none of the positive numbers 2^k-90486799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90486709) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8872 + ... + 16114.

It is an arithmetic number, because the mean of its divisors is an integer number (8392174).

Almost surely, 2^90486799 is an apocalyptic number.

90486799 is a deficient number, since it is larger than the sum of its proper divisors (10219289).

90486799 is a wasteful number, since it uses less digits than its factorization.

90486799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318 (or 7287 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 90486799 is about 9512.4549407606. The cubic root of 90486799 is about 448.9470012824.

The spelling of 90486799 in words is "ninety million, four hundred eighty-six thousand, seven hundred ninety-nine".