27638074653 has 16 divisors (see below), whose sum is σ = 43567409280. Its totient is φ = 15248592576.

The previous prime is 27638074589. The next prime is 27638074663. The reversal of 27638074653 is 35647083672.

It is not a de Polignac number, because 27638074653 - 2⁶ = 27638074589 is a prime.

It is a super-3 number, since 3×27638074653³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27638074596 and 27638074605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27638074663) 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, 22690750 + ... + 22691967.

It is an arithmetic number, because the mean of its divisors is an integer number (2722963080).

Almost surely, 2^27638074653 is an apocalyptic number.

It is an amenable number.

27638074653 is a deficient number, since it is larger than the sum of its proper divisors (15929334627).

27638074653 is a wasteful number, since it uses less digits than its factorization.

27638074653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45382756.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 27638074653 in words is "twenty-seven billion, six hundred thirty-eight million, seventy-four thousand, six hundred fifty-three".