67797491399 has 32 divisors (see below), whose sum is σ = 82252108800. Its totient is φ = 55176992640.

The previous prime is 67797491389. The next prime is 67797491413. The reversal of 67797491399 is 99319479776.

It is not a de Polignac number, because 67797491399 - 2⁴ = 67797491383 is a prime.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67797491329) 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, 165869 + ... + 403865.

It is an arithmetic number, because the mean of its divisors is an integer number (2570378400).

Almost surely, 2^67797491399 is an apocalyptic number.

67797491399 is a deficient number, since it is larger than the sum of its proper divisors (14454617401).

67797491399 is a wasteful number, since it uses less digits than its factorization.

67797491399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238103.

The product of its digits is 162030456, while the sum is 71.

The spelling of 67797491399 in words is "sixty-seven billion, seven hundred ninety-seven million, four hundred ninety-one thousand, three hundred ninety-nine".