26380379 has 32 divisors (see below), whose sum is σ = 31726080. Its totient is φ = 21745152.

The previous prime is 26380357. The next prime is 26380381. The reversal of 26380379 is 97308362.

It is a cyclic number.

It is not a de Polignac number, because 26380379 - 2²⁴ = 9603163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26380339) 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 31 ways as a sum of consecutive naturals, for example, 393704 + ... + 393770.

It is an arithmetic number, because the mean of its divisors is an integer number (991440).

Almost surely, 2^26380379 is an apocalyptic number.

26380379 is a deficient number, since it is larger than the sum of its proper divisors (5345701).

26380379 is a wasteful number, since it uses less digits than its factorization.

26380379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 26380379 is about 5136.1833105916. The cubic root of 26380379 is about 297.6873250006.

The spelling of 26380379 in words is "twenty-six million, three hundred eighty thousand, three hundred seventy-nine".