9885888798 has 8 divisors (see below), whose sum is σ = 19771777608. Its totient is φ = 3295296264.

The previous prime is 9885888769. The next prime is 9885888823. The reversal of 9885888798 is 8978885889.

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

9885888798 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823824061 + ... + 823824072.

It is an arithmetic number, because the mean of its divisors is an integer number (2471472201).

Almost surely, 2^9885888798 is an apocalyptic number.

9885888798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9885888798 is a wasteful number, since it uses less digits than its factorization.

9885888798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647648138.

The product of its digits is 743178240, while the sum is 78.

The square root of 9885888798 is about 99427.8069656572. The cubic root of 9885888798 is about 2146.2084824121.

The spelling of 9885888798 in words is "nine billion, eight hundred eighty-five million, eight hundred eighty-eight thousand, seven hundred ninety-eight".