788256642 has 8 divisors (see below), whose sum is σ = 1576513296. Its totient is φ = 262752212.

The previous prime is 788256641. The next prime is 788256647. The reversal of 788256642 is 246652887.

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

788256642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 788256591 and 788256600.

It is not an unprimeable number, because it can be changed into a prime (788256641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65688048 + ... + 65688059.

It is an arithmetic number, because the mean of its divisors is an integer number (197064162).

Almost surely, 2^788256642 is an apocalyptic number.

788256642 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.

788256642 is a wasteful number, since it uses less digits than its factorization.

788256642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131376112.

The product of its digits is 1290240, while the sum is 48.

The square root of 788256642 is about 28075.9085694479. The cubic root of 788256642 is about 923.7530378577.

The spelling of 788256642 in words is "seven hundred eighty-eight million, two hundred fifty-six thousand, six hundred forty-two".