68851735555 has 8 divisors (see below), whose sum is σ = 82655106912. Its totient is φ = 55059372288.

The previous prime is 68851735541. The next prime is 68851735567. The reversal of 68851735555 is 55553715886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68851735555 - 2⁵ = 68851735523 is a prime.

It is a super-2 number, since 2×68851735555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68851735555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2738254 + ... + 2763283.

It is an arithmetic number, because the mean of its divisors is an integer number (10331888364).

Almost surely, 2^68851735555 is an apocalyptic number.

68851735555 is a deficient number, since it is larger than the sum of its proper divisors (13803371357).

68851735555 is a wasteful number, since it uses less digits than its factorization.

68851735555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504045.

The product of its digits is 25200000, while the sum is 58.

The spelling of 68851735555 in words is "sixty-eight billion, eight hundred fifty-one million, seven hundred thirty-five thousand, five hundred fifty-five".