58815779994 has 32 divisors (see below), whose sum is σ = 133167810240. Its totient is φ = 19235348496.

The previous prime is 58815779989. The next prime is 58815780007. The reversal of 58815779994 is 49997751885.

It is a happy number.

58815779994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×58815779994² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10272432 + ... + 10278155.

It is an arithmetic number, because the mean of its divisors is an integer number (4161494070).

Almost surely, 2^58815779994 is an apocalyptic number.

58815779994 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

58815779994 is an abundant number, since it is smaller than the sum of its proper divisors (74352030246).

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

58815779994 is a wasteful number, since it uses less digits than its factorization.

58815779994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20550651 (or 20550645 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 72.

It can be divided in two parts, 5881 and 5779994, that added together give a palindrome (5785875).

The spelling of 58815779994 in words is "fifty-eight billion, eight hundred fifteen million, seven hundred seventy-nine thousand, nine hundred ninety-four".