128282928392 has 32 divisors (see below), whose sum is σ = 246803397120. Its totient is φ = 62473848960.

The previous prime is 128282928281. The next prime is 128282928407. The reversal of 128282928392 is 293829282821.

It is a super-3 number, since 3×128282928392³ (a number of 34 digits) contains 333 as substring.

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, 123068 + ... + 521259.

It is an arithmetic number, because the mean of its divisors is an integer number (7712606160).

Almost surely, 2^128282928392 is an apocalyptic number.

It is an amenable number.

128282928392 is a deficient number, since it is larger than the sum of its proper divisors (118520468728).

128282928392 is a wasteful number, since it uses less digits than its factorization.

128282928392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644981 (or 644977 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The spelling of 128282928392 in words is "one hundred twenty-eight billion, two hundred eighty-two million, nine hundred twenty-eight thousand, three hundred ninety-two".