67079855836 has 24 divisors (see below), whose sum is σ = 134494297056. Its totient is φ = 28676812800.

The previous prime is 67079855819. The next prime is 67079855839. The reversal of 67079855836 is 63855897076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67079855839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2975941 + ... + 2998396.

It is an arithmetic number, because the mean of its divisors is an integer number (5603929044).

Almost surely, 2^67079855836 is an apocalyptic number.

It is an amenable number.

67079855836 is an abundant number, since it is smaller than the sum of its proper divisors (67414441220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67079855836 is a wasteful number, since it uses less digits than its factorization.

67079855836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974749 (or 5974747 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 67079855836 in words is "sixty-seven billion, seventy-nine million, eight hundred fifty-five thousand, eight hundred thirty-six".