26316078973 has 4 divisors (see below), whose sum is σ = 26316404928. Its totient is φ = 26315753020.

The previous prime is 26316078947. The next prime is 26316079003. The reversal of 26316078973 is 37987061362.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26316078973 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 26316078973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26316078073) 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, 57990 + ... + 236632.

It is an arithmetic number, because the mean of its divisors is an integer number (6579101232).

Almost surely, 2^26316078973 is an apocalyptic number.

It is an amenable number.

26316078973 is a deficient number, since it is larger than the sum of its proper divisors (325955).

26316078973 is a wasteful number, since it uses less digits than its factorization.

26316078973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325954.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 26316078973 in words is "twenty-six billion, three hundred sixteen million, seventy-eight thousand, nine hundred seventy-three".