9090856508 has 36 divisors (see below), whose sum is σ = 16870524552. Its totient is φ = 4285643040.

The previous prime is 9090856501. The next prime is 9090856517. The reversal of 9090856508 is 8056580909.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090856501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289766 + ... + 319602.

It is an arithmetic number, because the mean of its divisors is an integer number (468625682).

Almost surely, 2^9090856508 is an apocalyptic number.

It is an amenable number.

9090856508 is a deficient number, since it is larger than the sum of its proper divisors (7779668044).

9090856508 is a wasteful number, since it uses less digits than its factorization.

9090856508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30090 (or 30069 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 50.

The square root of 9090856508 is about 95345.9831770589. The cubic root of 9090856508 is about 2087.0599984726.

The spelling of 9090856508 in words is "nine billion, ninety million, eight hundred fifty-six thousand, five hundred eight".