67278794552 has 16 divisors (see below), whose sum is σ = 126511283160. Its totient is φ = 33542452384.

The previous prime is 67278794549. The next prime is 67278794587. The reversal of 67278794552 is 25549787276.

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 in 3 ways as a sum of consecutive naturals, for example, 12115163 + ... + 12120714.

Almost surely, 2^67278794552 is an apocalyptic number.

It is an amenable number.

67278794552 is a deficient number, since it is larger than the sum of its proper divisors (59232488608).

67278794552 is a wasteful number, since it uses less digits than its factorization.

67278794552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24236230 (or 24236226 counting only the distinct ones).

The product of its digits is 59270400, while the sum is 62.

The spelling of 67278794552 in words is "sixty-seven billion, two hundred seventy-eight million, seven hundred ninety-four thousand, five hundred fifty-two".