67796559577 has 16 divisors (see below), whose sum is σ = 70126479360. Its totient is φ = 65504838672.

The previous prime is 67796559553. The next prime is 67796559631. The reversal of 67796559577 is 77595569776.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67796559577 is a prime.

It is a super-4 number, since 4×67796559577⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67796559377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5779324 + ... + 5791042.

It is an arithmetic number, because the mean of its divisors is an integer number (4382904960).

Almost surely, 2^67796559577 is an apocalyptic number.

It is an amenable number.

67796559577 is a deficient number, since it is larger than the sum of its proper divisors (2329919783).

67796559577 is a wasteful number, since it uses less digits than its factorization.

67796559577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13332.

The product of its digits is 875164500, while the sum is 73.

The spelling of 67796559577 in words is "sixty-seven billion, seven hundred ninety-six million, five hundred fifty-nine thousand, five hundred seventy-seven".