676556786540 has 12 divisors (see below), whose sum is σ = 1420769251776. Its totient is φ = 270622714608.

The previous prime is 676556786533. The next prime is 676556786593. The reversal of 676556786540 is 45687655676.

It is a happy number.

It is a super-2 number, since 2×676556786540² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16913919644 + ... + 16913919683.

It is an arithmetic number, because the mean of its divisors is an integer number (118397437648).

Almost surely, 2^676556786540 is an apocalyptic number.

It is an amenable number.

676556786540 is an abundant number, since it is smaller than the sum of its proper divisors (744212465236).

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

676556786540 is a wasteful number, since it uses less digits than its factorization.

676556786540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33827839336 (or 33827839334 counting only the distinct ones).

The product of its (nonzero) digits is 254016000, while the sum is 65.

The spelling of 676556786540 in words is "six hundred seventy-six billion, five hundred fifty-six million, seven hundred eighty-six thousand, five hundred forty".