26378982 has 24 divisors (see below), whose sum is σ = 65319696. Its totient is φ = 7536816.

The previous prime is 26378941. The next prime is 26378993. The reversal of 26378982 is 28987362.

26378982 is a `hidden beast` number, since 2 + 637 + 8 + 9 + 8 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 104553 + ... + 104804.

It is an arithmetic number, because the mean of its divisors is an integer number (2721654).

Almost surely, 2^26378982 is an apocalyptic number.

26378982 is an abundant number, since it is smaller than the sum of its proper divisors (38940714).

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

26378982 is a wasteful number, since it uses less digits than its factorization.

26378982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209372 (or 209369 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 26378982 is about 5136.0473128662. The cubic root of 26378982 is about 297.6820701288.

The spelling of 26378982 in words is "twenty-six million, three hundred seventy-eight thousand, nine hundred eighty-two".