78552513050 has 48 divisors (see below), whose sum is σ = 159424206912. Its totient is φ = 28558454400.

The previous prime is 78552513049. The next prime is 78552513089. The reversal of 78552513050 is 5031525587.

It is a junction number, because it is equal to n+sod(n) for n = 78552512989 and 78552513007.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3168302 + ... + 3192998.

It is an arithmetic number, because the mean of its divisors is an integer number (3321337644).

Almost surely, 2^78552513050 is an apocalyptic number.

78552513050 is an abundant number, since it is smaller than the sum of its proper divisors (80871693862).

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

78552513050 is a wasteful number, since it uses less digits than its factorization.

78552513050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30503 (or 30498 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 78552513050 in words is "seventy-eight billion, five hundred fifty-two million, five hundred thirteen thousand, fifty".