78876477328 has 40 divisors (see below), whose sum is σ = 176523032160. Its totient is φ = 33743946240.

The previous prime is 78876477293. The next prime is 78876477331. The reversal of 78876477328 is 82377467887.

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, 13178238 + ... + 13184221.

It is an arithmetic number, because the mean of its divisors is an integer number (4413075804).

Almost surely, 2^78876477328 is an apocalyptic number.

It is an amenable number.

78876477328 is an abundant number, since it is smaller than the sum of its proper divisors (97646554832).

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

78876477328 is a wasteful number, since it uses less digits than its factorization.

78876477328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26362495 (or 26362489 counting only the distinct ones).

The product of its digits is 177020928, while the sum is 67.

The spelling of 78876477328 in words is "seventy-eight billion, eight hundred seventy-six million, four hundred seventy-seven thousand, three hundred twenty-eight".