27907707135 has 128 divisors (see below), whose sum is σ = 58508550144. Its totient is φ = 11021391360.

The previous prime is 27907707131. The next prime is 27907707197. The reversal of 27907707135 is 53170770972.

It is a Cunningham number, because it is equal to 167056²-1.

It is not a de Polignac number, because 27907707135 - 2² = 27907707131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27907707131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1830012 + ... + 1845198.

It is an arithmetic number, because the mean of its divisors is an integer number (457098048).

Almost surely, 2^27907707135 is an apocalyptic number.

27907707135 is an abundant number, since it is smaller than the sum of its proper divisors (30600843009).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27907707135 is a wasteful number, since it uses less digits than its factorization.

27907707135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15293.

The product of its (nonzero) digits is 648270, while the sum is 48.

The spelling of 27907707135 in words is "twenty-seven billion, nine hundred seven million, seven hundred seven thousand, one hundred thirty-five".