677641651141468 has 12 divisors (see below), whose sum is σ = 1277093880997480. Its totient is φ = 312757685142192.

The previous prime is 677641651141459. The next prime is 677641651141541. The reversal of 677641651141468 is 864141156146776.

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 3 ways as a sum of consecutive naturals, for example, 6515785107078 + ... + 6515785107181.

Almost surely, 2^{677641651141468} is an apocalyptic number.

It is an amenable number.

677641651141468 is a deficient number, since it is larger than the sum of its proper divisors (599452229856012).

677641651141468 is a wasteful number, since it uses less digits than its factorization.

677641651141468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031570214276 (or 13031570214274 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 67.

The spelling of 677641651141468 in words is "six hundred seventy-seven trillion, six hundred forty-one billion, six hundred fifty-one million, one hundred forty-one thousand, four hundred sixty-eight".