128792395 has 4 divisors (see below), whose sum is σ = 154550880. Its totient is φ = 103033912.

The previous prime is 128792371. The next prime is 128792407. The reversal of 128792395 is 593297821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128792395 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12879235 + ... + 12879244.

It is an arithmetic number, because the mean of its divisors is an integer number (38637720).

Almost surely, 2^128792395 is an apocalyptic number.

128792395 is a deficient number, since it is larger than the sum of its proper divisors (25758485).

128792395 is an equidigital number, since it uses as much as digits as its factorization.

128792395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25758484.

The product of its digits is 272160, while the sum is 46.

The square root of 128792395 is about 11348.6737110554. The cubic root of 128792395 is about 505.0062346059.

The spelling of 128792395 in words is "one hundred twenty-eight million, seven hundred ninety-two thousand, three hundred ninety-five".