67861311299 has 8 divisors (see below), whose sum is σ = 68450887680. Its totient is φ = 67274282376.

The previous prime is 67861311281. The next prime is 67861311311. The reversal of 67861311299 is 99211316876.

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 67861311299 - 2²⁴ = 67844534083 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 67861311299.

It is not an unprimeable number, because it can be changed into a prime (67861311209) 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, 583337 + ... + 689930.

It is an arithmetic number, because the mean of its divisors is an integer number (8556360960).

Almost surely, 2^67861311299 is an apocalyptic number.

67861311299 is a deficient number, since it is larger than the sum of its proper divisors (589576381).

67861311299 is a wasteful number, since it uses less digits than its factorization.

67861311299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273729.

The product of its digits is 979776, while the sum is 53.

The spelling of 67861311299 in words is "sixty-seven billion, eight hundred sixty-one million, three hundred eleven thousand, two hundred ninety-nine".