1178479428 has 48 divisors (see below), whose sum is σ = 3279252480. Its totient is φ = 322068384.

The previous prime is 1178479417. The next prime is 1178479439. The reversal of 1178479428 is 8249748711.

It is an interprime number because it is at equal distance from previous prime (1178479417) and next prime (1178479439).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303058 + ... + 306921.

It is an arithmetic number, because the mean of its divisors is an integer number (68317760).

Almost surely, 2^1178479428 is an apocalyptic number.

It is an amenable number.

1178479428 is an abundant number, since it is smaller than the sum of its proper divisors (2100773052).

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

1178479428 is a wasteful number, since it uses less digits than its factorization.

1178479428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610016 (or 610014 counting only the distinct ones).

The product of its digits is 903168, while the sum is 51.

The square root of 1178479428 is about 34328.9881586976. The cubic root of 1178479428 is about 1056.2677057452.

The spelling of 1178479428 in words is "one billion, one hundred seventy-eight million, four hundred seventy-nine thousand, four hundred twenty-eight".