9097999985 has 8 divisors (see below), whose sum is σ = 11171497920. Its totient is φ = 7109134704.

The previous prime is 9097999961. The next prime is 9097999993. The reversal of 9097999985 is 5899997909.

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

It is a cyclic number.

It is not a de Polignac number, because 9097999985 - 2⁶ = 9097999921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21157925 + ... + 21158354.

It is an arithmetic number, because the mean of its divisors is an integer number (1396437240).

Almost surely, 2^9097999985 is an apocalyptic number.

It is an amenable number.

9097999985 is a deficient number, since it is larger than the sum of its proper divisors (2073497935).

9097999985 is a wasteful number, since it uses less digits than its factorization.

9097999985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42316327.

The product of its (nonzero) digits is 148803480, while the sum is 74.

The square root of 9097999985 is about 95383.4366386534. The cubic root of 9097999985 is about 2087.6065168974.

The spelling of 9097999985 in words is "nine billion, ninety-seven million, nine hundred ninety-nine thousand, nine hundred eighty-five".