27355130657 has 8 divisors (see below), whose sum is σ = 27558771432. Its totient is φ = 27151862400.

The previous prime is 27355130653. The next prime is 27355130681. The reversal of 27355130657 is 75603155372.

It can be written as a sum of positive squares in 4 ways, for example, as 1753850641 + 25601280016 = 41879^2 + 160004^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27355130657 - 2² = 27355130653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27355130653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55157 + ... + 240317.

It is an arithmetic number, because the mean of its divisors is an integer number (3444846429).

Almost surely, 2^27355130657 is an apocalyptic number.

It is an amenable number.

27355130657 is a deficient number, since it is larger than the sum of its proper divisors (203640775).

27355130657 is a wasteful number, since it uses less digits than its factorization.

27355130657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186259.

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 27355130657 in words is "twenty-seven billion, three hundred fifty-five million, one hundred thirty thousand, six hundred fifty-seven".