67772204647 has 16 divisors (see below), whose sum is σ = 79253932032. Its totient is φ = 56745224640.

The previous prime is 67772204629. The next prime is 67772204651. The reversal of 67772204647 is 74640227776.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67772204647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67772204594 and 67772204603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67772204347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26283 + ... + 369100.

It is an arithmetic number, because the mean of its divisors is an integer number (4953370752).

Almost surely, 2^67772204647 is an apocalyptic number.

67772204647 is a deficient number, since it is larger than the sum of its proper divisors (11481727385).

67772204647 is a wasteful number, since it uses less digits than its factorization.

67772204647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395958.

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 67772204647 in words is "sixty-seven billion, seven hundred seventy-two million, two hundred four thousand, six hundred forty-seven".