128627079 has 16 divisors (see below), whose sum is σ = 198766080. Its totient is φ = 72465120.

The previous prime is 128627071. The next prime is 128627087. The reversal of 128627079 is 970726821.

It is an interprime number because it is at equal distance from previous prime (128627071) and next prime (128627087).

It is not a de Polignac number, because 128627079 - 2³ = 128627071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128627079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128627071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41644 + ... + 44625.

It is an arithmetic number, because the mean of its divisors is an integer number (12422880).

Almost surely, 2^128627079 is an apocalyptic number.

128627079 is a deficient number, since it is larger than the sum of its proper divisors (70139001).

128627079 is an equidigital number, since it uses as much as digits as its factorization.

128627079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86350.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 128627079 is about 11341.3878780333. The cubic root of 128627079 is about 504.7900692636.

The spelling of 128627079 in words is "one hundred twenty-eight million, six hundred twenty-seven thousand, seventy-nine".