68285014009478 has 32 divisors (see below), whose sum is σ = 128578516093440. Its totient is φ = 26519318939520.

The previous prime is 68285014009447. The next prime is 68285014009481. The reversal of 68285014009478 is 87490041058286.

It is a self number, because there is not a number n which added to its sum of digits gives 68285014009478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5580658643 + ... + 5580670878.

It is an arithmetic number, because the mean of its divisors is an integer number (4018078627920).

Almost surely, 2^{68285014009478} is an apocalyptic number.

68285014009478 is a deficient number, since it is larger than the sum of its proper divisors (60293502083962).

68285014009478 is a wasteful number, since it uses less digits than its factorization.

68285014009478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161329572.

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 68285014009478 in words is "sixty-eight trillion, two hundred eighty-five billion, fourteen million, nine thousand, four hundred seventy-eight".