128769576104 has 16 divisors (see below), whose sum is σ = 260015490420. Its totient is φ = 59432112000.

The previous prime is 128769576101. The next prime is 128769576149. The reversal of 128769576104 is 401675967821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106927692004 + 21841884100 = 326998^2 + 147790^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 128769576104.

It is not an unprimeable number, because it can be changed into a prime (128769576101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619084397 + ... + 619084604.

Almost surely, 2^128769576104 is an apocalyptic number.

It is an amenable number.

128769576104 is an abundant number, since it is smaller than the sum of its proper divisors (131245914316).

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

128769576104 is a wasteful number, since it uses less digits than its factorization.

128769576104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238169020 (or 1238169016 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 128769576104 in words is "one hundred twenty-eight billion, seven hundred sixty-nine million, five hundred seventy-six thousand, one hundred four".