68085544435 has 32 divisors (see below), whose sum is σ = 88233836544. Its totient is φ = 50331360000.

The previous prime is 68085544427. The next prime is 68085544447. The reversal of 68085544435 is 53444558086.

It is not a de Polignac number, because 68085544435 - 2³ = 68085544427 is a prime.

It is a super-2 number, since 2×68085544435² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184710 + ... + 412660.

It is an arithmetic number, because the mean of its divisors is an integer number (2757307392).

Almost surely, 2^68085544435 is an apocalyptic number.

68085544435 is a deficient number, since it is larger than the sum of its proper divisors (20148292109).

68085544435 is a wasteful number, since it uses less digits than its factorization.

68085544435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228075.

The product of its (nonzero) digits is 9216000, while the sum is 52.

The spelling of 68085544435 in words is "sixty-eight billion, eighty-five million, five hundred forty-four thousand, four hundred thirty-five".