128477476 has 6 divisors (see below), whose sum is σ = 224835590. Its totient is φ = 64238736.

The previous prime is 128477467. The next prime is 128477491. The reversal of 128477476 is 674774821.

It can be written as a sum of positive squares in only one way, i.e., 96825600 + 31651876 = 9840^2 + 5626^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16059681 + ... + 16059688.

Almost surely, 2^128477476 is an apocalyptic number.

It is an amenable number.

128477476 is a deficient number, since it is larger than the sum of its proper divisors (96358114).

128477476 is a wasteful number, since it uses less digits than its factorization.

128477476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32119373 (or 32119371 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The square root of 128477476 is about 11334.7905141648. The cubic root of 128477476 is about 504.5942903602.

The spelling of 128477476 in words is "one hundred twenty-eight million, four hundred seventy-seven thousand, four hundred seventy-six".