778080308058 has 12 divisors (see below), whose sum is σ = 1685840667498. Its totient is φ = 259360102680.

The previous prime is 778080308009. The next prime is 778080308077. The reversal of 778080308058 is 850803080877.

778080308058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 778077475569 + 2832489 = 882087^2 + 1683^2 .

It is a super-3 number, since 3×778080308058³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 778080307995 and 778080308013.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21613341873 + ... + 21613341908.

Almost surely, 2^778080308058 is an apocalyptic number.

778080308058 is an abundant number, since it is smaller than the sum of its proper divisors (907760359440).

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

778080308058 is a wasteful number, since it uses less digits than its factorization.

778080308058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43226683789 (or 43226683786 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 778080308058 in words is "seven hundred seventy-eight billion, eighty million, three hundred eight thousand, fifty-eight".