128488862 has 16 divisors (see below), whose sum is σ = 199260672. Its totient is φ = 62075160.

The previous prime is 128488847. The next prime is 128488889. The reversal of 128488862 is 268884821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53573 + ... + 55919.

It is an arithmetic number, because the mean of its divisors is an integer number (12453792).

Almost surely, 2^128488862 is an apocalyptic number.

128488862 is a deficient number, since it is larger than the sum of its proper divisors (70771810).

128488862 is a wasteful number, since it uses less digits than its factorization.

128488862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263.

The product of its digits is 393216, while the sum is 47.

The square root of 128488862 is about 11335.2927619890. The cubic root of 128488862 is about 504.6091960621.

The spelling of 128488862 in words is "one hundred twenty-eight million, four hundred eighty-eight thousand, eight hundred sixty-two".