87889068413 has 16 divisors (see below), whose sum is σ = 91118006784. Its totient is φ = 84719281920.

The previous prime is 87889068403. The next prime is 87889068469. The reversal of 87889068413 is 31486098878.

It is a cyclic number.

It is not a de Polignac number, because 87889068413 - 2²⁴ = 87872291197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87889068403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3313781 + ... + 3340197.

It is an arithmetic number, because the mean of its divisors is an integer number (5694875424).

Almost surely, 2^87889068413 is an apocalyptic number.

It is an amenable number.

87889068413 is a deficient number, since it is larger than the sum of its proper divisors (3228938371).

87889068413 is a wasteful number, since it uses less digits than its factorization.

87889068413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27532.

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 87889068413 in words is "eighty-seven billion, eight hundred eighty-nine million, sixty-eight thousand, four hundred thirteen".