675634436577 has 16 divisors (see below), whose sum is σ = 1025353076160. Its totient is φ = 439437031200.

The previous prime is 675634436557. The next prime is 675634436579. The reversal of 675634436577 is 775634436576.

675634436577 is a `hidden beast` number, since 6 + 7 + 5 + 63 + 443 + 65 + 77 = 666.

It is not a de Polignac number, because 675634436577 - 2¹⁴ = 675634420193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675634436579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305163499 + ... + 305165712.

It is an arithmetic number, because the mean of its divisors is an integer number (64084567260).

Almost surely, 2^675634436577 is an apocalyptic number.

It is an amenable number.

675634436577 is a deficient number, since it is larger than the sum of its proper divisors (349718639583).

675634436577 is a wasteful number, since it uses less digits than its factorization.

675634436577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610329261 (or 610329255 counting only the distinct ones).

The product of its digits is 266716800, while the sum is 63.

Subtracting 675634436577 from its reverse (775634436576), we obtain a palindrome (99999999999).

The spelling of 675634436577 in words is "six hundred seventy-five billion, six hundred thirty-four million, four hundred thirty-six thousand, five hundred seventy-seven".