7878825120 has 48 divisors (see below), whose sum is σ = 24818300640. Its totient is φ = 2101019904.

The previous prime is 7878825089. The next prime is 7878825139. The reversal of 7878825120 is 215288787.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 7878825120.

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, 8206630 + ... + 8207589.

It is an arithmetic number, because the mean of its divisors is an integer number (517047930).

Almost surely, 2^7878825120 is an apocalyptic number.

It is an amenable number.

7878825120 is an abundant number, since it is smaller than the sum of its proper divisors (16939475520).

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

7878825120 is a wasteful number, since it uses less digits than its factorization.

7878825120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16414237 (or 16414229 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 48.

The square root of 7878825120 is about 88762.7462396247. The cubic root of 7878825120 is about 1989.8506760676.

The spelling of 7878825120 in words is "seven billion, eight hundred seventy-eight million, eight hundred twenty-five thousand, one hundred twenty".