238973054757686 has 32 divisors (see below), whose sum is σ = 383313234363840. Its totient is φ = 111341582208000.

The previous prime is 238973054757683. The next prime is 238973054757761. The reversal of 238973054757686 is 686757450379832.

It is a self number, because there is not a number n which added to its sum of digits gives 238973054757686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238973054757683) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 134800130 + ... + 136561418.

It is an arithmetic number, because the mean of its divisors is an integer number (11978538573870).

Almost surely, 2^{238973054757686} is an apocalyptic number.

238973054757686 is a deficient number, since it is larger than the sum of its proper divisors (144340179606154).

238973054757686 is a wasteful number, since it uses less digits than its factorization.

238973054757686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800920.

The product of its (nonzero) digits is 12802406400, while the sum is 80.

The spelling of 238973054757686 in words is "two hundred thirty-eight trillion, nine hundred seventy-three billion, fifty-four million, seven hundred fifty-seven thousand, six hundred eighty-six".