677654121580 has 24 divisors (see below), whose sum is σ = 1423741541040. Its totient is φ = 270934432320.

The previous prime is 677654121569. The next prime is 677654121637. The reversal of 677654121580 is 85121456776.

It is a super-2 number, since 2×677654121580² (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 7 ways as a sum of consecutive naturals, for example, 7907335 + ... + 7992574.

It is an arithmetic number, because the mean of its divisors is an integer number (59322564210).

Almost surely, 2^677654121580 is an apocalyptic number.

It is an amenable number.

677654121580 is an abundant number, since it is smaller than the sum of its proper divisors (746087419460).

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

677654121580 is a wasteful number, since it uses less digits than its factorization.

677654121580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15902049 (or 15902047 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 677654121580 in words is "six hundred seventy-seven billion, six hundred fifty-four million, one hundred twenty-one thousand, five hundred eighty".