128585710 has 64 divisors (see below), whose sum is σ = 263839680. Its totient is φ = 44692480.

The previous prime is 128585683. The next prime is 128585713. The reversal of 128585710 is 17585821.

It is a self number, because there is not a number n which added to its sum of digits gives 128585710.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128585713) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 551754 + ... + 551986.

It is an arithmetic number, because the mean of its divisors is an integer number (4122495).

Almost surely, 2^128585710 is an apocalyptic number.

128585710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128585710 is an abundant number, since it is smaller than the sum of its proper divisors (135253970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128585710 is a wasteful number, since it uses less digits than its factorization.

128585710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 128585710 is about 11339.5639245960. The cubic root of 128585710 is about 504.7359466540.

The spelling of 128585710 in words is "one hundred twenty-eight million, five hundred eighty-five thousand, seven hundred ten".