27826619418379 has 4 divisors (see below), whose sum is σ = 29463479384184. Its totient is φ = 26189759452576.

The previous prime is 27826619418371. The next prime is 27826619418401. The reversal of 27826619418379 is 97381491662872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27826619418379 - 2³ = 27826619418371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27826619418371) 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, 818429982877 + ... + 818429982910.

It is an arithmetic number, because the mean of its divisors is an integer number (7365869846046).

Almost surely, 2^{27826619418379} is an apocalyptic number.

27826619418379 is a deficient number, since it is larger than the sum of its proper divisors (1636859965805).

27826619418379 is a wasteful number, since it uses less digits than its factorization.

27826619418379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636859965804.

The product of its digits is 438939648, while the sum is 73.

The spelling of 27826619418379 in words is "twenty-seven trillion, eight hundred twenty-six billion, six hundred nineteen million, four hundred eighteen thousand, three hundred seventy-nine".