26379249578 has 16 divisors (see below), whose sum is σ = 43169055840. Its totient is φ = 11989731600.

The previous prime is 26379249569. The next prime is 26379249593. The reversal of 26379249578 is 87594297362.

It is a self number, because there is not a number n which added to its sum of digits gives 26379249578.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371528 + ... + 436796.

It is an arithmetic number, because the mean of its divisors is an integer number (2698065990).

Almost surely, 2^26379249578 is an apocalyptic number.

26379249578 is a deficient number, since it is larger than the sum of its proper divisors (16789806262).

26379249578 is a wasteful number, since it uses less digits than its factorization.

26379249578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83653.

The product of its digits is 45722880, while the sum is 62.

The spelling of 26379249578 in words is "twenty-six billion, three hundred seventy-nine million, two hundred forty-nine thousand, five hundred seventy-eight".