788638372 has 12 divisors (see below), whose sum is σ = 1383667740. Its totient is φ = 393304736.

The previous prime is 788638327. The next prime is 788638373. The reversal of 788638372 is 273836887.

It can be written as a sum of positive squares in 2 ways, for example, as 353665636 + 434972736 = 18806^2 + 20856^2 .

It is not an unprimeable number, because it can be changed into a prime (788638373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251863 + ... + 254974.

It is an arithmetic number, because the mean of its divisors is an integer number (115305645).

Almost surely, 2^788638372 is an apocalyptic number.

It is an amenable number.

788638372 is a deficient number, since it is larger than the sum of its proper divisors (595029368).

788638372 is a wasteful number, since it uses less digits than its factorization.

788638372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507230 (or 507228 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 788638372 is about 28082.7059237531. The cubic root of 788638372 is about 923.9021294613.

The spelling of 788638372 in words is "seven hundred eighty-eight million, six hundred thirty-eight thousand, three hundred seventy-two".