788128924 has 12 divisors (see below), whose sum is σ = 1504609848. Its totient is φ = 358240400.

The previous prime is 788128883. The next prime is 788128931. The reversal of 788128924 is 429821887.

It is a super-2 number, since 2×788128924² = 1242294401690795552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8955967 + ... + 8956054.

It is an arithmetic number, because the mean of its divisors is an integer number (125384154).

Almost surely, 2^788128924 is an apocalyptic number.

It is an amenable number.

788128924 is a deficient number, since it is larger than the sum of its proper divisors (716480924).

788128924 is a wasteful number, since it uses less digits than its factorization.

788128924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17912036 (or 17912034 counting only the distinct ones).

The product of its digits is 516096, while the sum is 49.

The square root of 788128924 is about 28073.6339649857. The cubic root of 788128924 is about 923.7031445206.

The spelling of 788128924 in words is "seven hundred eighty-eight million, one hundred twenty-eight thousand, nine hundred twenty-four".