68667773045 has 16 divisors (see below), whose sum is σ = 83683704960. Its totient is φ = 54080330304.

The previous prime is 68667772973. The next prime is 68667773063. The reversal of 68667773045 is 54037776686.

It is a cyclic number.

It is not a de Polignac number, because 68667773045 - 2³⁴ = 51487903861 is a prime.

It is a Curzon number.

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, 476816 + ... + 603894.

It is an arithmetic number, because the mean of its divisors is an integer number (5230231560).

Almost surely, 2^68667773045 is an apocalyptic number.

It is an amenable number.

68667773045 is a deficient number, since it is larger than the sum of its proper divisors (15015931915).

68667773045 is a wasteful number, since it uses less digits than its factorization.

68667773045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128764.

The product of its (nonzero) digits is 35562240, while the sum is 59.

The spelling of 68667773045 in words is "sixty-eight billion, six hundred sixty-seven million, seven hundred seventy-three thousand, forty-five".