788444628 has 12 divisors (see below), whose sum is σ = 1839704160. Its totient is φ = 262814872.

The previous prime is 788444627. The next prime is 788444641. The reversal of 788444628 is 826444887.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788444627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32851848 + ... + 32851871.

It is an arithmetic number, because the mean of its divisors is an integer number (153308680).

Almost surely, 2^788444628 is an apocalyptic number.

It is an amenable number.

788444628 is an abundant number, since it is smaller than the sum of its proper divisors (1051259532).

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

788444628 is a wasteful number, since it uses less digits than its factorization.

788444628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65703726 (or 65703724 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 51.

The square root of 788444628 is about 28079.2561867297. The cubic root of 788444628 is about 923.8264652275.

The spelling of 788444628 in words is "seven hundred eighty-eight million, four hundred forty-four thousand, six hundred twenty-eight".