268529260487 has 12 divisors (see below), whose sum is σ = 289436165856. Its totient is φ = 248983441920.

The previous prime is 268529260409. The next prime is 268529260507. The reversal of 268529260487 is 784062925862.

It is a happy number.

It is not a de Polignac number, because 268529260487 - 2²⁴ = 268512483271 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 (268529560487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7896314 + ... + 7930247.

It is an arithmetic number, because the mean of its divisors is an integer number (24119680488).

Almost surely, 2^268529260487 is an apocalyptic number.

268529260487 is a deficient number, since it is larger than the sum of its proper divisors (20906905369).

268529260487 is a wasteful number, since it uses less digits than its factorization.

268529260487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826646 (or 15826627 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 268529260487 in words is "two hundred sixty-eight billion, five hundred twenty-nine million, two hundred sixty thousand, four hundred eighty-seven".