677671353563 has 8 divisors (see below), whose sum is σ = 679324332960. Its totient is φ = 676019939200.

The previous prime is 677671353449. The next prime is 677671353629. The reversal of 677671353563 is 365353176776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677671353563 - 2¹⁰ = 677671352539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677671353763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478163 + ... + 1258563.

It is an arithmetic number, because the mean of its divisors is an integer number (84915541620).

Almost surely, 2^677671353563 is an apocalyptic number.

677671353563 is a deficient number, since it is larger than the sum of its proper divisors (1652979397).

677671353563 is a wasteful number, since it uses less digits than its factorization.

677671353563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782517.

The product of its digits is 50009400, while the sum is 59.

The spelling of 677671353563 in words is "six hundred seventy-seven billion, six hundred seventy-one million, three hundred fifty-three thousand, five hundred sixty-three".