68885204061 has 8 divisors (see below), whose sum is σ = 91852706880. Its totient is φ = 45920585312.

The previous prime is 68885204057. The next prime is 68885204077. The reversal of 68885204061 is 16040258886.

It is a happy number.

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 68885204061 - 2² = 68885204057 is a prime.

It is a super-2 number, since 2×68885204061² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68885204061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68885204761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664656 + ... + 761273.

It is an arithmetic number, because the mean of its divisors is an integer number (11481588360).

Almost surely, 2^68885204061 is an apocalyptic number.

It is an amenable number.

68885204061 is a deficient number, since it is larger than the sum of its proper divisors (22967502819).

68885204061 is a wasteful number, since it uses less digits than its factorization.

68885204061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442035.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 68885204061 in words is "sixty-eight billion, eight hundred eighty-five million, two hundred four thousand, sixty-one".