8778132860 has 24 divisors (see below), whose sum is σ = 21067519200. Its totient is φ = 3009645504.

The previous prime is 8778132859. The next prime is 8778132893. The reversal of 8778132860 is 682318778.

It is a junction number, because it is equal to n+sod(n) for n = 8778132799 and 8778132808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31350335 + ... + 31350614.

It is an arithmetic number, because the mean of its divisors is an integer number (877813300).

Almost surely, 2^8778132860 is an apocalyptic number.

It is an amenable number.

8778132860 is an abundant number, since it is smaller than the sum of its proper divisors (12289386340).

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

8778132860 is a wasteful number, since it uses less digits than its factorization.

8778132860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62700965 (or 62700963 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 8778132860 is about 93691.6904533161. The cubic root of 8778132860 is about 2062.8487356928.

The spelling of 8778132860 in words is "eight billion, seven hundred seventy-eight million, one hundred thirty-two thousand, eight hundred sixty".