676477255680 has 540 divisors, whose sum is σ = 2430927895032. Its totient is φ = 174013808640.

The previous prime is 676477255679. The next prime is 676477255717. The reversal of 676477255680 is 86552774676.

676477255680 is a `hidden beast` number, since 6 + 7 + 6 + 4 + 7 + 72 + 556 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 620051935 + ... + 620053025.

Almost surely, 2^676477255680 is an apocalyptic number.

676477255680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676477255680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215463947516).

676477255680 is an abundant number, since it is smaller than the sum of its proper divisors (1754450639352).

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

676477255680 is a wasteful number, since it uses less digits than its factorization.

676477255680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 63.

The spelling of 676477255680 in words is "six hundred seventy-six billion, four hundred seventy-seven million, two hundred fifty-five thousand, six hundred eighty".