27525782507 has 2 divisors, whose sum is σ = 27525782508. Its totient is φ = 27525782506.

The previous prime is 27525782503. The next prime is 27525782527. The reversal of 27525782507 is 70528752572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27525782507 - 2² = 27525782503 is a prime.

It is not a weakly prime, because it can be changed into another prime (27525782503) 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, 13762891253 + 13762891254.

It is an arithmetic number, because the mean of its divisors is an integer number (13762891254).

Almost surely, 2^27525782507 is an apocalyptic number.

27525782507 is a deficient number, since it is larger than the sum of its proper divisors (1).

27525782507 is an equidigital number, since it uses as much as digits as its factorization.

27525782507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744000, while the sum is 50.

The spelling of 27525782507 in words is "twenty-seven billion, five hundred twenty-five million, seven hundred eighty-two thousand, five hundred seven".