788512068 has 18 divisors (see below), whose sum is σ = 1993183374. Its totient is φ = 262837344.

The previous prime is 788512061. The next prime is 788512073. The reversal of 788512068 is 860215887.

788512068 is a `hidden beast` number, since 78 + 8 + 512 + 0 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 777740544 + 10771524 = 27888^2 + 3282^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (788512061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10951521 + ... + 10951592.

Almost surely, 2^788512068 is an apocalyptic number.

It is an amenable number.

788512068 is an abundant number, since it is smaller than the sum of its proper divisors (1204671306).

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

788512068 is a wasteful number, since it uses less digits than its factorization.

788512068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21903123 (or 21903118 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 788512068 is about 28080.4570475625. The cubic root of 788512068 is about 923.8528044606.

The spelling of 788512068 in words is "seven hundred eighty-eight million, five hundred twelve thousand, sixty-eight".