677198663073 has 24 divisors (see below), whose sum is σ = 1012515179520. Its totient is φ = 435635595360.

The previous prime is 677198663023. The next prime is 677198663123. The reversal of 677198663073 is 370366891776.

It is an interprime number because it is at equal distance from previous prime (677198663023) and next prime (677198663123).

It is not a de Polignac number, because 677198663073 - 2⁸ = 677198662817 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 677198663073.

It is not an unprimeable number, because it can be changed into a prime (677198663023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346063 + ... + 1214148.

It is an arithmetic number, because the mean of its divisors is an integer number (42188132480).

Almost surely, 2^677198663073 is an apocalyptic number.

It is an amenable number.

677198663073 is a deficient number, since it is larger than the sum of its proper divisors (335316516447).

677198663073 is a wasteful number, since it uses less digits than its factorization.

677198663073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561909 (or 1561906 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 63.

The spelling of 677198663073 in words is "six hundred seventy-seven billion, one hundred ninety-eight million, six hundred sixty-three thousand, seventy-three".