68775577201 has 4 divisors (see below), whose sum is σ = 71765819712. Its totient is φ = 65785334692.

The previous prime is 68775577177. The next prime is 68775577229. The reversal of 68775577201 is 10277557786.

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 68775577201 - 2⁹ = 68775576689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68775577261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495121221 + ... + 1495121266.

It is an arithmetic number, because the mean of its divisors is an integer number (17941454928).

Almost surely, 2^68775577201 is an apocalyptic number.

It is an amenable number.

68775577201 is a deficient number, since it is larger than the sum of its proper divisors (2990242511).

68775577201 is a wasteful number, since it uses less digits than its factorization.

68775577201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990242510.

The product of its (nonzero) digits is 5762400, while the sum is 55.

The spelling of 68775577201 in words is "sixty-eight billion, seven hundred seventy-five million, five hundred seventy-seven thousand, two hundred one".