26867856 has 20 divisors (see below), whose sum is σ = 69408752. Its totient is φ = 8955936.

The previous prime is 26867851. The next prime is 26867861. The reversal of 26867856 is 65876862.

It is an interprime number because it is at equal distance from previous prime (26867851) and next prime (26867861).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 559747 = 26867856 / (2 + 6 + 8 + 6 + 7 + 8 + 5 + 6).

It is not an unprimeable number, because it can be changed into a prime (26867851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279826 + ... + 279921.

Almost surely, 2^26867856 is an apocalyptic number.

It is an amenable number.

26867856 is an abundant number, since it is smaller than the sum of its proper divisors (42540896).

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

26867856 is a wasteful number, since it uses less digits than its factorization.

26867856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559758 (or 559752 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 26867856 is about 5183.4212639916. The cubic root of 26867856 is about 299.5097771526.

The spelling of 26867856 in words is "twenty-six million, eight hundred sixty-seven thousand, eight hundred fifty-six".