67612064798 has 4 divisors (see below), whose sum is σ = 101418097200. Its totient is φ = 33806032398.

The previous prime is 67612064797. The next prime is 67612064809. The reversal of 67612064798 is 89746021676.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67612064797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16903016198 + ... + 16903016201.

It is an arithmetic number, because the mean of its divisors is an integer number (25354524300).

Almost surely, 2^67612064798 is an apocalyptic number.

67612064798 is a deficient number, since it is larger than the sum of its proper divisors (33806032402).

67612064798 is a wasteful number, since it uses less digits than its factorization.

67612064798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33806032401.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 67612064798 in words is "sixty-seven billion, six hundred twelve million, sixty-four thousand, seven hundred ninety-eight".