87345781537227 has 4 divisors (see below), whose sum is σ = 116461042049640. Its totient is φ = 58230521024816.

The previous prime is 87345781537219. The next prime is 87345781537363. The reversal of 87345781537227 is 72273518754378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87345781537227 - 2³ = 87345781537219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87345783537227) 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, 14557630256202 + ... + 14557630256207.

It is an arithmetic number, because the mean of its divisors is an integer number (29115260512410).

Almost surely, 2^{87345781537227} is an apocalyptic number.

87345781537227 is a deficient number, since it is larger than the sum of its proper divisors (29115260512413).

87345781537227 is a wasteful number, since it uses less digits than its factorization.

87345781537227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29115260512412.

The product of its digits is 553190400, while the sum is 69.

The spelling of 87345781537227 in words is "eighty-seven trillion, three hundred forty-five billion, seven hundred eighty-one million, five hundred thirty-seven thousand, two hundred twenty-seven".