26628502807 has 2 divisors, whose sum is σ = 26628502808. Its totient is φ = 26628502806.

The previous prime is 26628502753. The next prime is 26628502841. The reversal of 26628502807 is 70820582662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26628502807 - 2²⁷ = 26494285079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26628502897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13314251403 + 13314251404.

It is an arithmetic number, because the mean of its divisors is an integer number (13314251404).

Almost surely, 2^26628502807 is an apocalyptic number.

26628502807 is a deficient number, since it is larger than the sum of its proper divisors (1).

26628502807 is an equidigital number, since it uses as much as digits as its factorization.

26628502807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 26628502807 in words is "twenty-six billion, six hundred twenty-eight million, five hundred two thousand, eight hundred seven".