677262655488 has 174 divisors, whose sum is σ = 1870458253924. Its totient is φ = 217969590272.

The previous prime is 677262655403. The next prime is 677262655561. The reversal of 677262655488 is 884556262776.

It is a tau number, because it is divible by the number of its divisors (174).

It is a zygodrome in base 8.

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, 23353884658 + ... + 23353884686.

Almost surely, 2^677262655488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677262655488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935229126962).

677262655488 is an abundant number, since it is smaller than the sum of its proper divisors (1193195598436).

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

677262655488 is an frugal number, since it uses more digits than its factorization.

677262655488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 34 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 66.

The spelling of 677262655488 in words is "six hundred seventy-seven billion, two hundred sixty-two million, six hundred fifty-five thousand, four hundred eighty-eight".