27906031607 has 16 divisors (see below), whose sum is σ = 29679667200. Its totient is φ = 26238055680.

The previous prime is 27906031499. The next prime is 27906031609. The reversal of 27906031607 is 70613060972.

It is not a de Polignac number, because 27906031607 - 2²⁰ = 27904983031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27906031609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6281507 + ... + 6285947.

It is an arithmetic number, because the mean of its divisors is an integer number (1854979200).

Almost surely, 2^27906031607 is an apocalyptic number.

27906031607 is a deficient number, since it is larger than the sum of its proper divisors (1773635593).

27906031607 is an equidigital number, since it uses as much as digits as its factorization.

27906031607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771 (or 5737 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 27906031607 in words is "twenty-seven billion, nine hundred six million, thirty-one thousand, six hundred seven".