27696603652 has 12 divisors (see below), whose sum is σ = 48524329420. Its totient is φ = 13832509536.

The previous prime is 27696603647. The next prime is 27696603653. The reversal of 27696603652 is 25630669672.

It can be written as a sum of positive squares in 2 ways, for example, as 17010419776 + 10686183876 = 130424^2 + 103374^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27696603652.

It is not an unprimeable number, because it can be changed into a prime (27696603653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3944127 + ... + 3951142.

Almost surely, 2^27696603652 is an apocalyptic number.

It is an amenable number.

27696603652 is a deficient number, since it is larger than the sum of its proper divisors (20827725768).

27696603652 is a wasteful number, since it uses less digits than its factorization.

27696603652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896150 (or 7896148 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 27696603652 in words is "twenty-seven billion, six hundred ninety-six million, six hundred three thousand, six hundred fifty-two".