58815780066 has 24 divisors (see below), whose sum is σ = 127667180784. Its totient is φ = 19569415320.

The previous prime is 58815780059. The next prime is 58815780091. The reversal of 58815780066 is 66008751885.

58815780066 is a `hidden beast` number, since 5 + 8 + 8 + 1 + 578 + 0 + 0 + 66 = 666.

58815780066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 58815779994 and 58815780021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2976940 + ... + 2996631.

It is an arithmetic number, because the mean of its divisors is an integer number (5319465866).

Almost surely, 2^58815780066 is an apocalyptic number.

58815780066 is an abundant number, since it is smaller than the sum of its proper divisors (68851400718).

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

58815780066 is a wasteful number, since it uses less digits than its factorization.

58815780066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974126 (or 5974123 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 58815780066 in words is "fifty-eight billion, eight hundred fifteen million, seven hundred eighty thousand, sixty-six".