1283277328 has 20 divisors (see below), whose sum is σ = 2617210960. Its totient is φ = 607868064.

The previous prime is 1283277319. The next prime is 1283277371. The reversal of 1283277328 is 8237723821.

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, 2110350 + ... + 2110957.

It is an arithmetic number, because the mean of its divisors is an integer number (130860548).

Almost surely, 2^1283277328 is an apocalyptic number.

It is an amenable number.

1283277328 is an abundant number, since it is smaller than the sum of its proper divisors (1333933632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283277328 is a wasteful number, since it uses less digits than its factorization.

1283277328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221334 (or 4221328 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 1283277328 is about 35822.8604106372. The cubic root of 1283277328 is about 1086.6929273809.

The spelling of 1283277328 in words is "one billion, two hundred eighty-three million, two hundred seventy-seven thousand, three hundred twenty-eight".