27699732038 has 16 divisors (see below), whose sum is σ = 45742680720. Its totient is φ = 12475274400.

The previous prime is 27699732031. The next prime is 27699732077. The reversal of 27699732038 is 83023799672.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27699732031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5773193 + ... + 5777988.

It is an arithmetic number, because the mean of its divisors is an integer number (2858917545).

Almost surely, 2^27699732038 is an apocalyptic number.

27699732038 is a deficient number, since it is larger than the sum of its proper divisors (18042948682).

27699732038 is a wasteful number, since it uses less digits than its factorization.

27699732038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551303.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 27699732038 in words is "twenty-seven billion, six hundred ninety-nine million, seven hundred thirty-two thousand, thirty-eight".