67698770422 has 4 divisors (see below), whose sum is σ = 101548155636. Its totient is φ = 33849385210.

The previous prime is 67698770369. The next prime is 67698770459. The reversal of 67698770422 is 22407789676.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16924692604 + ... + 16924692607.

It is an arithmetic number, because the mean of its divisors is an integer number (25387038909).

Almost surely, 2^67698770422 is an apocalyptic number.

67698770422 is a deficient number, since it is larger than the sum of its proper divisors (33849385214).

67698770422 is a wasteful number, since it uses less digits than its factorization.

67698770422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33849385213.

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 67698770422 in words is "sixty-seven billion, six hundred ninety-eight million, seven hundred seventy thousand, four hundred twenty-two".