67539847886 has 12 divisors (see below), whose sum is σ = 115784263368. Its totient is φ = 28945232352.

The previous prime is 67539847871. The next prime is 67539847933. The reversal of 67539847886 is 68874893576.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 937670 + ... + 1007126.

It is an arithmetic number, because the mean of its divisors is an integer number (9648688614).

Almost surely, 2^67539847886 is an apocalyptic number.

67539847886 is a deficient number, since it is larger than the sum of its proper divisors (48244415482).

67539847886 is an frugal number, since it uses more digits than its factorization.

67539847886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138923 (or 69466 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 71.

The spelling of 67539847886 in words is "sixty-seven billion, five hundred thirty-nine million, eight hundred forty-seven thousand, eight hundred eighty-six".