788865128420 has 48 divisors (see below), whose sum is σ = 1684941823488. Its totient is φ = 310157976960.

The previous prime is 788865128407. The next prime is 788865128437. The reversal of 788865128420 is 24821568887.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 788865128420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541909 + ... + 1988771.

It is an arithmetic number, because the mean of its divisors is an integer number (35102954656).

Almost surely, 2^788865128420 is an apocalyptic number.

It is an amenable number.

788865128420 is an abundant number, since it is smaller than the sum of its proper divisors (896076695068).

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

788865128420 is a wasteful number, since it uses less digits than its factorization.

788865128420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448380 (or 448378 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 59.

The spelling of 788865128420 in words is "seven hundred eighty-eight billion, eight hundred sixty-five million, one hundred twenty-eight thousand, four hundred twenty".