67778202013 has 8 divisors (see below), whose sum is σ = 67857264000. Its totient is φ = 67699188000.

The previous prime is 67778201987. The next prime is 67778202031. The reversal of 67778202013 is 31020287776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67778202013 - 2²¹ = 67776104861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67778202913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3337113 + ... + 3357361.

It is an arithmetic number, because the mean of its divisors is an integer number (8482158000).

Almost surely, 2^67778202013 is an apocalyptic number.

It is an amenable number.

67778202013 is a deficient number, since it is larger than the sum of its proper divisors (79061987).

67778202013 is a wasteful number, since it uses less digits than its factorization.

67778202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23987.

The product of its (nonzero) digits is 197568, while the sum is 43.

Adding to 67778202013 its reverse (31020287776), we get a palindrome (98798489789).

The spelling of 67778202013 in words is "sixty-seven billion, seven hundred seventy-eight million, two hundred two thousand, thirteen".