67798366801 has 6 divisors (see below), whose sum is σ = 74522171906. Its totient is φ = 61634878800.

The previous prime is 67798366789. The next prime is 67798366807. The reversal of 67798366801 is 10866389776.

It can be written as a sum of positive squares in only one way, i.e., 66164186176 + 1634180625 = 257224^2 + 40425^2 .

It is not a de Polignac number, because 67798366801 - 2⁹ = 67798366289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67798366801.

It is not an unprimeable number, because it can be changed into a prime (67798366807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280158420 + ... + 280158661.

Almost surely, 2^67798366801 is an apocalyptic number.

It is an amenable number.

67798366801 is a deficient number, since it is larger than the sum of its proper divisors (6723805105).

67798366801 is a wasteful number, since it uses less digits than its factorization.

67798366801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560317103 (or 560317092 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 67798366801 in words is "sixty-seven billion, seven hundred ninety-eight million, three hundred sixty-six thousand, eight hundred one".