68458442870 has 8 divisors (see below), whose sum is σ = 123225197184. Its totient is φ = 27383377144.

The previous prime is 68458442867. The next prime is 68458442971. The reversal of 68458442870 is 7824485486.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3422922134 + ... + 3422922153.

It is an arithmetic number, because the mean of its divisors is an integer number (15403149648).

Almost surely, 2^68458442870 is an apocalyptic number.

68458442870 is a deficient number, since it is larger than the sum of its proper divisors (54766754314).

68458442870 is a wasteful number, since it uses less digits than its factorization.

68458442870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845844294.

The product of its (nonzero) digits is 13762560, while the sum is 56.

The spelling of 68458442870 in words is "sixty-eight billion, four hundred fifty-eight million, four hundred forty-two thousand, eight hundred seventy".