68678264073 has 4 divisors (see below), whose sum is σ = 91571018768. Its totient is φ = 45785509380.

The previous prime is 68678264071. The next prime is 68678264099. The reversal of 68678264073 is 37046287686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68678264073 - 2¹ = 68678264071 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68678264071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11446377343 + ... + 11446377348.

It is an arithmetic number, because the mean of its divisors is an integer number (22892754692).

Almost surely, 2^68678264073 is an apocalyptic number.

It is an amenable number.

68678264073 is a deficient number, since it is larger than the sum of its proper divisors (22892754695).

68678264073 is a wasteful number, since it uses less digits than its factorization.

68678264073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22892754694.

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 68678264073 in words is "sixty-eight billion, six hundred seventy-eight million, two hundred sixty-four thousand, seventy-three".