128810666787753 has 8 divisors (see below), whose sum is σ = 171775752680416. Its totient is φ = 85859679376800.

The previous prime is 128810666787743. The next prime is 128810666787793. The reversal of 128810666787753 is 357787666018821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128810666787753 - 2⁵ = 128810666787721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128810666787743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3524599108 + ... + 3524635653.

It is an arithmetic number, because the mean of its divisors is an integer number (21471969085052).

Almost surely, 2^{128810666787753} is an apocalyptic number.

It is an amenable number.

128810666787753 is a deficient number, since it is larger than the sum of its proper divisors (42965085892663).

128810666787753 is an equidigital number, since it uses as much as digits as its factorization.

128810666787753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049240855.

The product of its (nonzero) digits is 1137991680, while the sum is 75.

The spelling of 128810666787753 in words is "one hundred twenty-eight trillion, eight hundred ten billion, six hundred sixty-six million, seven hundred eighty-seven thousand, seven hundred fifty-three".