268872847 has 2 divisors, whose sum is σ = 268872848. Its totient is φ = 268872846.

The previous prime is 268872841. The next prime is 268872859. The reversal of 268872847 is 748278862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268872847 - 2¹⁹ = 268348559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268872794 and 268872803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268872841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134436423 + 134436424.

It is an arithmetic number, because the mean of its divisors is an integer number (134436424).

Almost surely, 2^268872847 is an apocalyptic number.

268872847 is a deficient number, since it is larger than the sum of its proper divisors (1).

268872847 is an equidigital number, since it uses as much as digits as its factorization.

268872847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2408448, while the sum is 52.

The square root of 268872847 is about 16397.3426810566. The cubic root of 268872847 is about 645.4297534598.

The spelling of 268872847 in words is "two hundred sixty-eight million, eight hundred seventy-two thousand, eight hundred forty-seven".