27953000807 has 2 divisors, whose sum is σ = 27953000808. Its totient is φ = 27953000806.

The previous prime is 27953000797. The next prime is 27953000819. The reversal of 27953000807 is 70800035972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27953000807 - 2⁶ = 27953000743 is a prime.

It is a super-2 number, since 2×27953000807² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27953000837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13976500403 + 13976500404.

It is an arithmetic number, because the mean of its divisors is an integer number (13976500404).

Almost surely, 2^27953000807 is an apocalyptic number.

27953000807 is a deficient number, since it is larger than the sum of its proper divisors (1).

27953000807 is an equidigital number, since it uses as much as digits as its factorization.

27953000807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 27953000807 in words is "twenty-seven billion, nine hundred fifty-three million, eight hundred seven", and thus it is an aban number.