677671354245 has 16 divisors (see below), whose sum is σ = 1084302334080. Its totient is φ = 361415333184.

The previous prime is 677671354223. The next prime is 677671354247. The reversal of 677671354245 is 542453176776.

It is not a de Polignac number, because 677671354245 - 2⁷ = 677671354117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677671354247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30811 + ... + 1164599.

It is an arithmetic number, because the mean of its divisors is an integer number (67768895880).

Almost surely, 2^677671354245 is an apocalyptic number.

It is an amenable number.

677671354245 is a deficient number, since it is larger than the sum of its proper divisors (406630979835).

677671354245 is a wasteful number, since it uses less digits than its factorization.

677671354245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173644.

The product of its digits is 29635200, while the sum is 57.

The spelling of 677671354245 in words is "six hundred seventy-seven billion, six hundred seventy-one million, three hundred fifty-four thousand, two hundred forty-five".