677783387776 has 32 divisors (see below), whose sum is σ = 1473023558880. Its totient is φ = 308083357440.

The previous prime is 677783387773. The next prime is 677783387783.

677783387776 is nontrivially palindromic in base 10.

677783387776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×677783387776² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677783387773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240688716 + ... + 240691531.

It is an arithmetic number, because the mean of its divisors is an integer number (46031986215).

Almost surely, 2^677783387776 is an apocalyptic number.

It is an amenable number.

677783387776 is an abundant number, since it is smaller than the sum of its proper divisors (795240171104).

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

677783387776 is a wasteful number, since it uses less digits than its factorization.

677783387776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481380272 (or 481380260 counting only the distinct ones).

The product of its digits is 2439569664, while the sum is 76.

The spelling of 677783387776 in words is "six hundred seventy-seven billion, seven hundred eighty-three million, three hundred eighty-seven thousand, seven hundred seventy-six".