67839078101 has 8 divisors (see below), whose sum is σ = 69528228504. Its totient is φ = 66151572480.

The previous prime is 67839078061. The next prime is 67839078103. The reversal of 67839078101 is 10187093876.

It can be written as a sum of positive squares in 4 ways, for example, as 10327843876 + 57511234225 = 101626^2 + 239815^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67839078101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67839078101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67839078103) 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, 327470 + ... + 492863.

It is an arithmetic number, because the mean of its divisors is an integer number (8691028563).

Almost surely, 2^67839078101 is an apocalyptic number.

It is an amenable number.

67839078101 is a deficient number, since it is larger than the sum of its proper divisors (1689150403).

67839078101 is a wasteful number, since it uses less digits than its factorization.

67839078101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822391.

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 67839078101 in words is "sixty-seven billion, eight hundred thirty-nine million, seventy-eight thousand, one hundred one".