68478030255 has 8 divisors (see below), whose sum is σ = 109564848432. Its totient is φ = 36521616128.

The previous prime is 68478030221. The next prime is 68478030263. The reversal of 68478030255 is 55203087486.

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 68478030255 - 2¹⁸ = 68477768111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282600994 + ... + 2282601023.

It is an arithmetic number, because the mean of its divisors is an integer number (13695606054).

Almost surely, 2^68478030255 is an apocalyptic number.

68478030255 is a deficient number, since it is larger than the sum of its proper divisors (41086818177).

68478030255 is a wasteful number, since it uses less digits than its factorization.

68478030255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565202025.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 68478030255 in words is "sixty-eight billion, four hundred seventy-eight million, thirty thousand, two hundred fifty-five".