128628796 has 12 divisors (see below), whose sum is σ = 232361920. Its totient is φ = 62239680.

The previous prime is 128628751. The next prime is 128628821. The reversal of 128628796 is 697826821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518541 + ... + 518788.

Almost surely, 2^128628796 is an apocalyptic number.

It is an amenable number.

128628796 is a deficient number, since it is larger than the sum of its proper divisors (103733124).

128628796 is a wasteful number, since it uses less digits than its factorization.

128628796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037364 (or 1037362 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 128628796 is about 11341.4635739837. The cubic root of 128628796 is about 504.7923153450.

The spelling of 128628796 in words is "one hundred twenty-eight million, six hundred twenty-eight thousand, seven hundred ninety-six".