675397771777 has 4 divisors (see below), whose sum is σ = 678598709296. Its totient is φ = 672196834260.

The previous prime is 675397771771. The next prime is 675397771837. The reversal of 675397771777 is 777177793576.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 675397771777 - 2²³ = 675389383169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675397771771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600468443 + ... + 1600468864.

It is an arithmetic number, because the mean of its divisors is an integer number (169649677324).

Almost surely, 2^675397771777 is an apocalyptic number.

It is an amenable number.

675397771777 is a deficient number, since it is larger than the sum of its proper divisors (3200937519).

675397771777 is a wasteful number, since it uses less digits than its factorization.

675397771777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200937518.

The product of its digits is 667069830, while the sum is 73.

The spelling of 675397771777 in words is "six hundred seventy-five billion, three hundred ninety-seven million, seven hundred seventy-one thousand, seven hundred seventy-seven".