87689610933 has 16 divisors (see below), whose sum is σ = 120034892736. Its totient is φ = 56918875520.

The previous prime is 87689610907. The next prime is 87689610947. The reversal of 87689610933 is 33901698678.

It is a cyclic number.

It is not a de Polignac number, because 87689610933 - 2¹⁴ = 87689594549 is a prime.

It is a super-3 number, since 3×87689610933³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87689610133) 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, 2084160 + ... + 2125817.

It is an arithmetic number, because the mean of its divisors is an integer number (7502180796).

Almost surely, 2^87689610933 is an apocalyptic number.

It is an amenable number.

87689610933 is a deficient number, since it is larger than the sum of its proper divisors (32345281803).

87689610933 is a wasteful number, since it uses less digits than its factorization.

87689610933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210164.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 87689610933 in words is "eighty-seven billion, six hundred eighty-nine million, six hundred ten thousand, nine hundred thirty-three".