128705576038 has 16 divisors (see below), whose sum is σ = 207919212480. Its totient is φ = 59399657856.

The previous prime is 128705576011. The next prime is 128705576089. The reversal of 128705576038 is 830675507821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473358 + ... + 693886.

It is an arithmetic number, because the mean of its divisors is an integer number (12994950780).

Almost surely, 2^128705576038 is an apocalyptic number.

128705576038 is a deficient number, since it is larger than the sum of its proper divisors (79213636442).

128705576038 is a wasteful number, since it uses less digits than its factorization.

128705576038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242991.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 128705576038 in words is "one hundred twenty-eight billion, seven hundred five million, five hundred seventy-six thousand, thirty-eight".