27485690918 has 32 divisors (see below), whose sum is σ = 47776523520. Its totient is φ = 11616060960.

The previous prime is 27485690857. The next prime is 27485690923. The reversal of 27485690918 is 81909658472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279305 + ... + 364667.

It is an arithmetic number, because the mean of its divisors is an integer number (1493016360).

Almost surely, 2^27485690918 is an apocalyptic number.

27485690918 is a deficient number, since it is larger than the sum of its proper divisors (20290832602).

27485690918 is a wasteful number, since it uses less digits than its factorization.

27485690918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85692.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 27485690918 in words is "twenty-seven billion, four hundred eighty-five million, six hundred ninety thousand, nine hundred eighteen".