68744952255 has 64 divisors (see below), whose sum is σ = 134234726400. Its totient is φ = 29363765760.

The previous prime is 68744952229. The next prime is 68744952319. The reversal of 68744952255 is 55225944786.

It is not a de Polignac number, because 68744952255 - 2¹¹ = 68744950207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68744952195 and 68744952204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 269740 + ... + 458529.

It is an arithmetic number, because the mean of its divisors is an integer number (2097417600).

Almost surely, 2^68744952255 is an apocalyptic number.

68744952255 is a deficient number, since it is larger than the sum of its proper divisors (65489774145).

68744952255 is a wasteful number, since it uses less digits than its factorization.

68744952255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728344.

The product of its digits is 24192000, while the sum is 57.

The spelling of 68744952255 in words is "sixty-eight billion, seven hundred forty-four million, nine hundred fifty-two thousand, two hundred fifty-five".