128492789760 has 168 divisors, whose sum is σ = 445415761440. Its totient is φ = 34264645632.

The previous prime is 128492789753. The next prime is 128492789767. The reversal of 128492789760 is 67987294821.

128492789760 is a `hidden beast` number, since 1 + 2 + 8 + 492 + 7 + 89 + 7 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (128492789753) and next prime (128492789767).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128492789767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194361 + ... + 542919.

Almost surely, 2^128492789760 is an apocalyptic number.

128492789760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128492789760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222707880720).

128492789760 is an abundant number, since it is smaller than the sum of its proper divisors (316922971680).

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

128492789760 is an equidigital number, since it uses as much as digits as its factorization.

128492789760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348596 (or 348569 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 128492789760 in words is "one hundred twenty-eight billion, four hundred ninety-two million, seven hundred eighty-nine thousand, seven hundred sixty".