788426660 has 192 divisors, whose sum is σ = 2128896000. Its totient is φ = 244024704.

The previous prime is 788426659. The next prime is 788426669. The reversal of 788426660 is 66624887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788426669) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2997689 + ... + 2997951.

It is an arithmetic number, because the mean of its divisors is an integer number (11088000).

Almost surely, 2^788426660 is an apocalyptic number.

788426660 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 788426660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064448000).

788426660 is an abundant number, since it is smaller than the sum of its proper divisors (1340469340).

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

788426660 is a wasteful number, since it uses less digits than its factorization.

788426660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 788426660 is about 28078.9362334117. The cubic root of 788426660 is about 923.8194474276.

The spelling of 788426660 in words is "seven hundred eighty-eight million, four hundred twenty-six thousand, six hundred sixty".