68137477048 has 16 divisors (see below), whose sum is σ = 127761994080. Its totient is φ = 34067611968.

The previous prime is 68137477007. The next prime is 68137477073. The reversal of 68137477048 is 84077473186.

It is a self number, because there is not a number n which added to its sum of digits gives 68137477048.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 152065 + ... + 399247.

It is an arithmetic number, because the mean of its divisors is an integer number (7985124630).

Almost surely, 2^68137477048 is an apocalyptic number.

It is an amenable number.

68137477048 is a deficient number, since it is larger than the sum of its proper divisors (59624517032).

68137477048 is a wasteful number, since it uses less digits than its factorization.

68137477048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281646 (or 281642 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 68137477048 in words is "sixty-eight billion, one hundred thirty-seven million, four hundred seventy-seven thousand, forty-eight".