1186878648 has 32 divisors (see below), whose sum is σ = 3062914560. Its totient is φ = 382863840.

The previous prime is 1186878631. The next prime is 1186878677. The reversal of 1186878648 is 8468786811.

It is a congruent number.

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, 796890 + ... + 798377.

It is an arithmetic number, because the mean of its divisors is an integer number (95716080).

Almost surely, 2^1186878648 is an apocalyptic number.

It is an amenable number.

1186878648 is an abundant number, since it is smaller than the sum of its proper divisors (1876035912).

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

1186878648 is a wasteful number, since it uses less digits than its factorization.

1186878648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595307 (or 1595303 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 57.

The square root of 1186878648 is about 34451.1051782087. The cubic root of 1186878648 is about 1058.7711664751.

The spelling of 1186878648 in words is "one billion, one hundred eighty-six million, eight hundred seventy-eight thousand, six hundred forty-eight".