787794320 has 80 divisors (see below), whose sum is σ = 1915115520. Its totient is φ = 301017600.

The previous prime is 787794313. The next prime is 787794341. The reversal of 787794320 is 23497787.

787794320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193910 + ... + 197930.

It is an arithmetic number, because the mean of its divisors is an integer number (23938944).

Almost surely, 2^787794320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787794320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957557760).

787794320 is an abundant number, since it is smaller than the sum of its proper divisors (1127321200).

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

787794320 is a wasteful number, since it uses less digits than its factorization.

787794320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 787794320 is about 28067.6739328360. The cubic root of 787794320 is about 923.5724051168.

The spelling of 787794320 in words is "seven hundred eighty-seven million, seven hundred ninety-four thousand, three hundred twenty".