67778930401 has 32 divisors (see below), whose sum is σ = 83925773568. Its totient is φ = 53303132160.

The previous prime is 67778930393. The next prime is 67778930431. The reversal of 67778930401 is 10403987776.

It is a cyclic number.

It is not a de Polignac number, because 67778930401 - 2³ = 67778930393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67778930431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13588630 + ... + 13593616.

It is an arithmetic number, because the mean of its divisors is an integer number (2622680424).

Almost surely, 2^67778930401 is an apocalyptic number.

It is an amenable number.

67778930401 is a deficient number, since it is larger than the sum of its proper divisors (16146843167).

67778930401 is a wasteful number, since it uses less digits than its factorization.

67778930401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 67778930401 in words is "sixty-seven billion, seven hundred seventy-eight million, nine hundred thirty thousand, four hundred one".