798135660 has 192 divisors, whose sum is σ = 2987443200. Its totient is φ = 172813824.

The previous prime is 798135659. The next prime is 798135683. The reversal of 798135660 is 66531897.

It is a happy number.

798135660 is a `hidden beast` number, since 7 + 9 + 81 + 3 + 566 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66264 + ... + 77376.

It is an arithmetic number, because the mean of its divisors is an integer number (15559600).

Almost surely, 2^798135660 is an apocalyptic number.

798135660 is a gapful number since it is divisible by the number (70) 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 798135660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493721600).

798135660 is an abundant number, since it is smaller than the sum of its proper divisors (2189307540).

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

798135660 is a wasteful number, since it uses less digits than its factorization.

798135660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157 (or 11149 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 798135660 is about 28251.2948375822. The cubic root of 798135660 is about 927.5960808431.

The spelling of 798135660 in words is "seven hundred ninety-eight million, one hundred thirty-five thousand, six hundred sixty".