• 788 can be written using four 4's:

See also 113.

---

788 has 6 divisors (see below), whose sum is σ = 1386. Its totient is φ = 392.

The previous prime is 787. The next prime is 797. The reversal of 788 is 887.

788 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in only one way, i.e., 784 + 4 = 28^2 + 2^2 .

788 is an undulating number in base 14.

It is a plaindrome in base 5, base 10, base 12, base 13 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95 + ... + 102.

It is an arithmetic number, because the mean of its divisors is an integer number (231).

It is an amenable number.

788 is a deficient number, since it is larger than the sum of its proper divisors (598).

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

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

The sum of its prime factors is 201 (or 199 counting only the distinct ones).

The product of its digits is 448, while the sum is 23.

The square root of 788 is about 28.0713376952. The cubic root of 788 is about 9.2365277459.

Subtracting 788 from its reverse (887), we obtain a palindrome (99).

It can be divided in two parts, 7 and 88, that multiplied together give a palindrome (616).

The spelling of 788 in words is "seven hundred eighty-eight", and thus it is an aban number and an oban number.