7878262328 has 8 divisors (see below), whose sum is σ = 14771741880. Its totient is φ = 3939131160.

The previous prime is 7878262313. The next prime is 7878262331. The reversal of 7878262328 is 8232628787.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 7878262328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492391388 + ... + 492391403.

It is an arithmetic number, because the mean of its divisors is an integer number (1846467735).

Almost surely, 2^7878262328 is an apocalyptic number.

It is an amenable number.

7878262328 is a deficient number, since it is larger than the sum of its proper divisors (6893479552).

7878262328 is a wasteful number, since it uses less digits than its factorization.

7878262328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984782797 (or 984782793 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 53.

The square root of 7878262328 is about 88759.5759791584. The cubic root of 7878262328 is about 1989.8032959617.

The spelling of 7878262328 in words is "seven billion, eight hundred seventy-eight million, two hundred sixty-two thousand, three hundred twenty-eight".