26610528979 has 4 divisors (see below), whose sum is σ = 26813662920. Its totient is φ = 26407395040.

The previous prime is 26610528953. The next prime is 26610529003. The reversal of 26610528979 is 97982501662.

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 26610528979 - 2¹³ = 26610520787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26610528779) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 101566774 + ... + 101567035.

It is an arithmetic number, because the mean of its divisors is an integer number (6703415730).

Almost surely, 2^26610528979 is an apocalyptic number.

26610528979 is a deficient number, since it is larger than the sum of its proper divisors (203133941).

26610528979 is a wasteful number, since it uses less digits than its factorization.

26610528979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203133940.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 26610528979 in words is "twenty-six billion, six hundred ten million, five hundred twenty-eight thousand, nine hundred seventy-nine".