26454650587 has 2 divisors, whose sum is σ = 26454650588. Its totient is φ = 26454650586.

The previous prime is 26454650567. The next prime is 26454650591. The reversal of 26454650587 is 78505645462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26454650587 is a prime.

It is not a weakly prime, because it can be changed into another prime (26454650567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13227325293 + 13227325294.

It is an arithmetic number, because the mean of its divisors is an integer number (13227325294).

Almost surely, 2^26454650587 is an apocalyptic number.

26454650587 is a deficient number, since it is larger than the sum of its proper divisors (1).

26454650587 is an equidigital number, since it uses as much as digits as its factorization.

26454650587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 26454650587 in words is "twenty-six billion, four hundred fifty-four million, six hundred fifty thousand, five hundred eighty-seven".