90008700009 has 8 divisors (see below), whose sum is σ = 120351577632. Its totient is φ = 59835811200.

The previous prime is 90008699941. The next prime is 90008700013. The reversal of 90008700009 is 90000780009.

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

It is not a de Polignac number, because 90008700009 - 2⁷ = 90008699881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90008700059) 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, 42495967 + ... + 42498084.

It is an arithmetic number, because the mean of its divisors is an integer number (15043947204).

Almost surely, 2^90008700009 is an apocalyptic number.

It is an amenable number.

90008700009 is a deficient number, since it is larger than the sum of its proper divisors (30342877623).

90008700009 is a wasteful number, since it uses less digits than its factorization.

90008700009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84994407.

The product of its (nonzero) digits is 4536, while the sum is 33.

The spelling of 90008700009 in words is "ninety billion, eight million, seven hundred thousand, nine".