68479024985 has 16 divisors (see below), whose sum is σ = 94102320000. Its totient is φ = 46862931456.

The previous prime is 68479024969. The next prime is 68479025029. The reversal of 68479024985 is 58942097486.

It is a cyclic number.

It is not a de Polignac number, because 68479024985 - 2⁴ = 68479024969 is a prime.

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, 1943000 + ... + 1977929.

It is an arithmetic number, because the mean of its divisors is an integer number (5881395000).

Almost surely, 2^68479024985 is an apocalyptic number.

It is an amenable number.

68479024985 is a deficient number, since it is larger than the sum of its proper divisors (25623295015).

68479024985 is a wasteful number, since it uses less digits than its factorization.

68479024985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921440.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 68479024985 in words is "sixty-eight billion, four hundred seventy-nine million, twenty-four thousand, nine hundred eighty-five".