777728060 has 12 divisors (see below), whose sum is σ = 1633228968. Its totient is φ = 311091216.

The previous prime is 777728059. The next prime is 777728071. The reversal of 777728060 is 60827777.

777728060 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 2×777728060² = 1209721870622727200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19443182 + ... + 19443221.

It is an arithmetic number, because the mean of its divisors is an integer number (136102414).

Almost surely, 2^777728060 is an apocalyptic number.

It is an amenable number.

777728060 is an abundant number, since it is smaller than the sum of its proper divisors (855500908).

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

777728060 is a wasteful number, since it uses less digits than its factorization.

777728060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38886412 (or 38886410 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 777728060 is about 27887.7761752349. The cubic root of 777728060 is about 919.6217963411.

The spelling of 777728060 in words is "seven hundred seventy-seven million, seven hundred twenty-eight thousand, sixty".