90656265784 has 16 divisors (see below), whose sum is σ = 194263426800. Its totient is φ = 38852685312.

The previous prime is 90656265773. The next prime is 90656265811. The reversal of 90656265784 is 48756265609.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809430889 + ... + 809431000.

It is an arithmetic number, because the mean of its divisors is an integer number (12141464175).

Almost surely, 2^90656265784 is an apocalyptic number.

It is an amenable number.

90656265784 is an abundant number, since it is smaller than the sum of its proper divisors (103607161016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90656265784 is a wasteful number, since it uses less digits than its factorization.

90656265784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618861902 (or 1618861898 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 90656265784 in words is "ninety billion, six hundred fifty-six million, two hundred sixty-five thousand, seven hundred eighty-four".