8728806090 has 32 divisors (see below), whose sum is σ = 21624915456. Its totient is φ = 2252594880.

The previous prime is 8728806083. The next prime is 8728806103. The reversal of 8728806090 is 906088278.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4691977 + ... + 4693836.

It is an arithmetic number, because the mean of its divisors is an integer number (675778608).

Almost surely, 2^8728806090 is an apocalyptic number.

8728806090 is an abundant number, since it is smaller than the sum of its proper divisors (12896109366).

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

8728806090 is a wasteful number, since it uses less digits than its factorization.

8728806090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385854.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 8728806090 is about 93428.0797726251. The cubic root of 8728806090 is about 2058.9775686294.

The spelling of 8728806090 in words is "eight billion, seven hundred twenty-eight million, eight hundred six thousand, ninety".