677370666172 has 12 divisors (see below), whose sum is σ = 1185412570776. Its totient is φ = 338681360240.

The previous prime is 677370666169. The next prime is 677370666179. The reversal of 677370666172 is 271666073776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677370666179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591538 + ... + 1305625.

It is an arithmetic number, because the mean of its divisors is an integer number (98784380898).

Almost surely, 2^677370666172 is an apocalyptic number.

It is an amenable number.

677370666172 is a deficient number, since it is larger than the sum of its proper divisors (508041904604).

677370666172 is a wasteful number, since it uses less digits than its factorization.

677370666172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986428 (or 1986426 counting only the distinct ones).

The product of its (nonzero) digits is 18670176, while the sum is 58.

The spelling of 677370666172 in words is "six hundred seventy-seven billion, three hundred seventy million, six hundred sixty-six thousand, one hundred seventy-two".