128893276 has 12 divisors (see below), whose sum is σ = 225824872. Its totient is φ = 64371888.

The previous prime is 128893267. The next prime is 128893301. The reversal of 128893276 is 672398821.

It is a super-2 number, since 2×128893276² = 33226953196024352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 14715 + ... + 21778.

Almost surely, 2^128893276 is an apocalyptic number.

It is an amenable number.

128893276 is a deficient number, since it is larger than the sum of its proper divisors (96931596).

128893276 is a wasteful number, since it uses less digits than its factorization.

128893276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37380 (or 37378 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 128893276 is about 11353.1174573330. The cubic root of 128893276 is about 505.1380545997.

The spelling of 128893276 in words is "one hundred twenty-eight million, eight hundred ninety-three thousand, two hundred seventy-six".