87835226913 has 12 divisors (see below), whose sum is σ = 144997835008. Its totient is φ = 50191558200.

The previous prime is 87835226911. The next prime is 87835226923. The reversal of 87835226913 is 31962253878.

It is not a de Polignac number, because 87835226913 - 2¹ = 87835226911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87835226913.

It is not an unprimeable number, because it can be changed into a prime (87835226911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697104913 + ... + 697105038.

Almost surely, 2^87835226913 is an apocalyptic number.

It is an amenable number.

87835226913 is a deficient number, since it is larger than the sum of its proper divisors (57162608095).

87835226913 is a wasteful number, since it uses less digits than its factorization.

87835226913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394209964 (or 1394209961 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 87835226913 in words is "eighty-seven billion, eight hundred thirty-five million, two hundred twenty-six thousand, nine hundred thirteen".