788673856 has 28 divisors (see below), whose sum is σ = 1582620660. Its totient is φ = 389903360.

The previous prime is 788673839. The next prime is 788673857. The reversal of 788673856 is 658376887.

It can be written as a sum of positive squares in 2 ways, for example, as 206899456 + 581774400 = 14384^2 + 24120^2 .

It is a super-2 number, since 2×788673856² = 1244012902275817472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 788673856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788673857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63535 + ... + 74926.

Almost surely, 2^788673856 is an apocalyptic number.

It is an amenable number.

788673856 is an abundant number, since it is smaller than the sum of its proper divisors (793946804).

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

788673856 is a wasteful number, since it uses less digits than its factorization.

788673856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138562 (or 138552 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 58.

The square root of 788673856 is about 28083.3376933726. The cubic root of 788673856 is about 923.9159859396.

The spelling of 788673856 in words is "seven hundred eighty-eight million, six hundred seventy-three thousand, eight hundred fifty-six".