677553996860 has 24 divisors (see below), whose sum is σ = 1532314424256. Its totient is φ = 250173783360.

The previous prime is 677553996857. The next prime is 677553996869. The reversal of 677553996860 is 68699355776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677553996869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302988196 + ... + 1302988715.

It is an arithmetic number, because the mean of its divisors is an integer number (63846434344).

Almost surely, 2^677553996860 is an apocalyptic number.

It is an amenable number.

677553996860 is an abundant number, since it is smaller than the sum of its proper divisors (854760427396).

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

677553996860 is a wasteful number, since it uses less digits than its factorization.

677553996860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605976933 (or 2605976931 counting only the distinct ones).

The product of its (nonzero) digits is 514382400, while the sum is 71.

The spelling of 677553996860 in words is "six hundred seventy-seven billion, five hundred fifty-three million, nine hundred ninety-six thousand, eight hundred sixty".