677919864682 has 48 divisors (see below), whose sum is σ = 1129043512800. Its totient is φ = 304791248160.

The previous prime is 677919864641. The next prime is 677919864689. The reversal of 677919864682 is 286468919776.

It is a super-2 number, since 2×677919864682² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677919864689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 960957 + ... + 1509727.

It is an arithmetic number, because the mean of its divisors is an integer number (23521739850).

Almost surely, 2^677919864682 is an apocalyptic number.

677919864682 is a deficient number, since it is larger than the sum of its proper divisors (451123648118).

677919864682 is a wasteful number, since it uses less digits than its factorization.

677919864682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548899 (or 548880 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 73.

The spelling of 677919864682 in words is "six hundred seventy-seven billion, nine hundred nineteen million, eight hundred sixty-four thousand, six hundred eighty-two".