26579472187 has 2 divisors, whose sum is σ = 26579472188. Its totient is φ = 26579472186.

The previous prime is 26579472149. The next prime is 26579472217. The reversal of 26579472187 is 78127497562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26579472187 is a prime.

It is not a weakly prime, because it can be changed into another prime (26579472487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13289736093 + 13289736094.

It is an arithmetic number, because the mean of its divisors is an integer number (13289736094).

Almost surely, 2^26579472187 is an apocalyptic number.

26579472187 is a deficient number, since it is larger than the sum of its proper divisors (1).

26579472187 is an equidigital number, since it uses as much as digits as its factorization.

26579472187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11854080, while the sum is 58.

The spelling of 26579472187 in words is "twenty-six billion, five hundred seventy-nine million, four hundred seventy-two thousand, one hundred eighty-seven".