128784095 has 16 divisors (see below), whose sum is σ = 178508448. Its totient is φ = 88151040.

The previous prime is 128784077. The next prime is 128784101. The reversal of 128784095 is 590487821.

It is not a de Polignac number, because 128784095 - 2⁶ = 128784031 is a prime.

It is a Duffinian number.

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, 67934 + ... + 69803.

It is an arithmetic number, because the mean of its divisors is an integer number (11156778).

Almost surely, 2^128784095 is an apocalyptic number.

128784095 is a deficient number, since it is larger than the sum of its proper divisors (49724353).

128784095 is a wasteful number, since it uses less digits than its factorization.

128784095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137770.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 128784095 is about 11348.3080236659. The cubic root of 128784095 is about 504.9953860311.

The spelling of 128784095 in words is "one hundred twenty-eight million, seven hundred eighty-four thousand, ninety-five".