27631129007 has 2 divisors, whose sum is σ = 27631129008. Its totient is φ = 27631129006.

The previous prime is 27631128989. The next prime is 27631129013. The reversal of 27631129007 is 70092113672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27631129007 - 2²⁰ = 27630080431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27631129307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13815564503 + 13815564504.

It is an arithmetic number, because the mean of its divisors is an integer number (13815564504).

Almost surely, 2^27631129007 is an apocalyptic number.

27631129007 is a deficient number, since it is larger than the sum of its proper divisors (1).

27631129007 is an equidigital number, since it uses as much as digits as its factorization.

27631129007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 27631129007 in words is "twenty-seven billion, six hundred thirty-one million, one hundred twenty-nine thousand, seven".