27565047772157 has 16 divisors (see below), whose sum is σ = 32626329956352. Its totient is φ = 22798780877040.

The previous prime is 27565047772127. The next prime is 27565047772169. The reversal of 27565047772157 is 75127774056572.

It is not a de Polignac number, because 27565047772157 - 2¹² = 27565047768061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27565047772093 and 27565047772102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27565047772127) 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, 590007203 + ... + 590053920.

It is an arithmetic number, because the mean of its divisors is an integer number (2039145622272).

Almost surely, 2^{27565047772157} is an apocalyptic number.

It is an amenable number.

27565047772157 is a deficient number, since it is larger than the sum of its proper divisors (5061282184195).

27565047772157 is a wasteful number, since it uses less digits than its factorization.

27565047772157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180061248.

The product of its (nonzero) digits is 201684000, while the sum is 65.

The spelling of 27565047772157 in words is "twenty-seven trillion, five hundred sixty-five billion, forty-seven million, seven hundred seventy-two thousand, one hundred fifty-seven".