68703435277 has 4 divisors (see below), whose sum is σ = 69644578300. Its totient is φ = 67762292256.

The previous prime is 68703435271. The next prime is 68703435289. The reversal of 68703435277 is 77253430786.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47395902436 + 21307532841 = 217706^2 + 145971^2 .

It is a cyclic number.

It is not a de Polignac number, because 68703435277 - 2¹⁹ = 68702910989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68703435271) 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, 470571402 + ... + 470571547.

It is an arithmetic number, because the mean of its divisors is an integer number (17411144575).

Almost surely, 2^68703435277 is an apocalyptic number.

It is an amenable number.

68703435277 is a deficient number, since it is larger than the sum of its proper divisors (941143023).

68703435277 is an equidigital number, since it uses as much as digits as its factorization.

68703435277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941143022.

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 68703435277 in words is "sixty-eight billion, seven hundred three million, four hundred thirty-five thousand, two hundred seventy-seven".