26570252887 has 2 divisors, whose sum is σ = 26570252888. Its totient is φ = 26570252886.

The previous prime is 26570252881. The next prime is 26570252899. The reversal of 26570252887 is 78825207562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26570252887 - 2³ = 26570252879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26570252881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13285126443 + 13285126444.

It is an arithmetic number, because the mean of its divisors is an integer number (13285126444).

Almost surely, 2^26570252887 is an apocalyptic number.

26570252887 is a deficient number, since it is larger than the sum of its proper divisors (1).

26570252887 is an equidigital number, since it uses as much as digits as its factorization.

26570252887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 26570252887 in words is "twenty-six billion, five hundred seventy million, two hundred fifty-two thousand, eight hundred eighty-seven".