27500137752765 has 32 divisors (see below), whose sum is σ = 44218880426880. Its totient is φ = 14593930331904.

The previous prime is 27500137752697. The next prime is 27500137752797. The reversal of 27500137752765 is 56725773100572.

It is not a de Polignac number, because 27500137752765 - 2¹⁶ = 27500137687229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3324867 + ... + 8127423.

It is an arithmetic number, because the mean of its divisors is an integer number (1381840013340).

Almost surely, 2^{27500137752765} is an apocalyptic number.

It is an amenable number.

27500137752765 is a deficient number, since it is larger than the sum of its proper divisors (16718742674115).

27500137752765 is a wasteful number, since it uses less digits than its factorization.

27500137752765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804461.

The product of its (nonzero) digits is 21609000, while the sum is 57.

The spelling of 27500137752765 in words is "twenty-seven trillion, five hundred billion, one hundred thirty-seven million, seven hundred fifty-two thousand, seven hundred sixty-five".