9799417800 has 192 divisors, whose sum is σ = 34217304000. Its totient is φ = 2577277440.

The previous prime is 9799417787. The next prime is 9799417801. The reversal of 9799417800 is 87149979.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (9799417801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381771 + ... + 406629.

It is an arithmetic number, because the mean of its divisors is an integer number (178215125).

Almost surely, 2^9799417800 is an apocalyptic number.

9799417800 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9799417800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17108652000).

9799417800 is an abundant number, since it is smaller than the sum of its proper divisors (24417886200).

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

9799417800 is a wasteful number, since it uses less digits than its factorization.

9799417800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24957 (or 24942 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The square root of 9799417800 is about 98992.0087683849. The cubic root of 9799417800 is about 2139.9325829637.

The spelling of 9799417800 in words is "nine billion, seven hundred ninety-nine million, four hundred seventeen thousand, eight hundred".