128568776462004 has 48 divisors (see below), whose sum is σ = 310135055561408. Its totient is φ = 41428059337728.

The previous prime is 128568776461963. The next prime is 128568776462011. The reversal of 128568776462004 is 400264677865821.

128568776462004 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 15 ways as a sum of consecutive naturals, for example, 1284301987 + ... + 1284402090.

Almost surely, 2^{128568776462004} is an apocalyptic number.

It is an amenable number.

128568776462004 is an abundant number, since it is smaller than the sum of its proper divisors (181566279099404).

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

128568776462004 is a wasteful number, since it uses less digits than its factorization.

128568776462004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568704224 (or 2568704222 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 66.

The spelling of 128568776462004 in words is "one hundred twenty-eight trillion, five hundred sixty-eight billion, seven hundred seventy-six million, four hundred sixty-two thousand, four".