676812660 has 24 divisors (see below), whose sum is σ = 1895075616. Its totient is φ = 180483360.

The previous prime is 676812649. The next prime is 676812727. The reversal of 676812660 is 66218676.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5640046 + ... + 5640165.

It is an arithmetic number, because the mean of its divisors is an integer number (78961484).

Almost surely, 2^676812660 is an apocalyptic number.

676812660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

676812660 is an abundant number, since it is smaller than the sum of its proper divisors (1218262956).

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

676812660 is a wasteful number, since it uses less digits than its factorization.

676812660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11280223 (or 11280221 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 676812660 is about 26015.6233828828. The cubic root of 676812660 is about 877.9898418475.

The spelling of 676812660 in words is "six hundred seventy-six million, eight hundred twelve thousand, six hundred sixty".