128762788750 has 20 divisors (see below), whose sum is σ = 241352973576. Its totient is φ = 51505115000.

The previous prime is 128762788711. The next prime is 128762788813. The reversal of 128762788750 is 57887267821.

It is a happy number.

128762788750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51503866 + ... + 51506365.

Almost surely, 2^128762788750 is an apocalyptic number.

128762788750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128762788750 is a deficient number, since it is larger than the sum of its proper divisors (112590184826).

128762788750 is an equidigital number, since it uses as much as digits as its factorization.

128762788750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103010253 (or 103010238 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 61.

The spelling of 128762788750 in words is "one hundred twenty-eight billion, seven hundred sixty-two million, seven hundred eighty-eight thousand, seven hundred fifty".