87670037240565 has 16 divisors (see below), whose sum is σ = 151062218014848. Its totient is φ = 43160633718336.

The previous prime is 87670037240563. The next prime is 87670037240587. The reversal of 87670037240565 is 56504273007678.

It is a happy number.

It is not a de Polignac number, because 87670037240565 - 2¹ = 87670037240563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87670037240499 and 87670037240508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87670037240563) 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, 224794967089 + ... + 224794967478.

It is an arithmetic number, because the mean of its divisors is an integer number (9441388625928).

Almost surely, 2^{87670037240565} is an apocalyptic number.

It is an amenable number.

87670037240565 is a deficient number, since it is larger than the sum of its proper divisors (63392180774283).

87670037240565 is a wasteful number, since it uses less digits than its factorization.

87670037240565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449589934588.

The product of its (nonzero) digits is 59270400, while the sum is 60.

The spelling of 87670037240565 in words is "eighty-seven trillion, six hundred seventy billion, thirty-seven million, two hundred forty thousand, five hundred sixty-five".