128242616783 has 8 divisors (see below), whose sum is σ = 129477031680. Its totient is φ = 127014066720.

The previous prime is 128242616773. The next prime is 128242616837. The reversal of 128242616783 is 387616242821.

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

It is a cyclic number.

It is not a de Polignac number, because 128242616783 - 2⁸ = 128242616527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128242616773) 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, 1422260 + ... + 1509737.

It is an arithmetic number, because the mean of its divisors is an integer number (16184628960).

Almost surely, 2^128242616783 is an apocalyptic number.

128242616783 is a deficient number, since it is larger than the sum of its proper divisors (1234414897).

128242616783 is a wasteful number, since it uses less digits than its factorization.

128242616783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932417.

The product of its digits is 1548288, while the sum is 50.

The spelling of 128242616783 in words is "one hundred twenty-eight billion, two hundred forty-two million, six hundred sixteen thousand, seven hundred eighty-three".