26097044197 has 16 divisors (see below), whose sum is σ = 30500236800. Its totient is φ = 21866851440.

The previous prime is 26097044143. The next prime is 26097044201. The reversal of 26097044197 is 79144079062.

It is a de Polignac number, because none of the positive numbers 2^k-26097044197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26097044197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26097041197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102579 + ... + 250432.

It is an arithmetic number, because the mean of its divisors is an integer number (1906264800).

Almost surely, 2^26097044197 is an apocalyptic number.

It is an amenable number.

26097044197 is a deficient number, since it is larger than the sum of its proper divisors (4403192603).

26097044197 is a wasteful number, since it uses less digits than its factorization.

26097044197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353256.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 26097044197 in words is "twenty-six billion, ninety-seven million, forty-four thousand, one hundred ninety-seven".