1153878284 has 48 divisors (see below), whose sum is σ = 2316814080. Its totient is φ = 498415680.

The previous prime is 1153878239. The next prime is 1153878301. The reversal of 1153878284 is 4828783511.

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, 74969 + ... + 89039.

It is an arithmetic number, because the mean of its divisors is an integer number (48266960).

Almost surely, 2^1153878284 is an apocalyptic number.

It is an amenable number.

1153878284 is an abundant number, since it is smaller than the sum of its proper divisors (1162935796).

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

1153878284 is a wasteful number, since it uses less digits than its factorization.

1153878284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14190 (or 14188 counting only the distinct ones).

The product of its digits is 430080, while the sum is 47.

The square root of 1153878284 is about 33968.7839641045. The cubic root of 1153878284 is about 1048.8659817283.

The spelling of 1153878284 in words is "one billion, one hundred fifty-three million, eight hundred seventy-eight thousand, two hundred eighty-four".