268687949786862 has 32 divisors (see below), whose sum is σ = 551902053185664. Its totient is φ = 87141646087200.

The previous prime is 268687949786819. The next prime is 268687949786891.

268687949786862 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 268687949786862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48991437 + ... + 54199047.

It is an arithmetic number, because the mean of its divisors is an integer number (17246939162052).

Almost surely, 2^{268687949786862} is an apocalyptic number.

268687949786862 is an abundant number, since it is smaller than the sum of its proper divisors (283214103398802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268687949786862 is a wasteful number, since it uses less digits than its factorization.

268687949786862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440064.

The product of its digits is 337105649664, while the sum is 96.

The spelling of 268687949786862 in words is "two hundred sixty-eight trillion, six hundred eighty-seven billion, nine hundred forty-nine million, seven hundred eighty-six thousand, eight hundred sixty-two".