128837574799 has 2 divisors, whose sum is σ = 128837574800. Its totient is φ = 128837574798.

The previous prime is 128837574779. The next prime is 128837574839. The reversal of 128837574799 is 997475738821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128837574799 - 2⁹ = 128837574287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128837574779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64418787399 + 64418787400.

It is an arithmetic number, because the mean of its divisors is an integer number (64418787400).

Almost surely, 2^128837574799 is an apocalyptic number.

128837574799 is a deficient number, since it is larger than the sum of its proper divisors (1).

128837574799 is an equidigital number, since it uses as much as digits as its factorization.

128837574799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 213373440, while the sum is 70.

The spelling of 128837574799 in words is "one hundred twenty-eight billion, eight hundred thirty-seven million, five hundred seventy-four thousand, seven hundred ninety-nine".