7878368328 has 32 divisors (see below), whose sum is σ = 19703476800. Its totient is φ = 2625115328.

The previous prime is 7878368287. The next prime is 7878368371. The reversal of 7878368328 is 8238638787.

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, 2278 + ... + 125546.

It is an arithmetic number, because the mean of its divisors is an integer number (615733650).

Almost surely, 2^7878368328 is an apocalyptic number.

It is an amenable number.

7878368328 is an abundant number, since it is smaller than the sum of its proper divisors (11825108472).

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

7878368328 is a wasteful number, since it uses less digits than its factorization.

7878368328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125941 (or 125937 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 60.

The square root of 7878368328 is about 88760.1730958204. The cubic root of 7878368328 is about 1989.8122200194.

The spelling of 7878368328 in words is "seven billion, eight hundred seventy-eight million, three hundred sixty-eight thousand, three hundred twenty-eight".