26478966 has 8 divisors (see below), whose sum is σ = 52957944. Its totient is φ = 8826320.

The previous prime is 26478961. The next prime is 26478971. The reversal of 26478966 is 66987462.

It is an interprime number because it is at equal distance from previous prime (26478961) and next prime (26478971).

It is a sphenic number, since it is the product of 3 distinct primes.

26478966 is an admirable number.

It is a super-2 number, since 2×26478966² = 1402271280858312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26478961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206575 + ... + 2206586.

It is an arithmetic number, because the mean of its divisors is an integer number (6619743).

Almost surely, 2^26478966 is an apocalyptic number.

26478966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26478966 is a wasteful number, since it uses less digits than its factorization.

26478966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413166.

The product of its digits is 870912, while the sum is 48.

The square root of 26478966 is about 5145.7716622485. The cubic root of 26478966 is about 298.0576964393.

The spelling of 26478966 in words is "twenty-six million, four hundred seventy-eight thousand, nine hundred sixty-six".