87669422281 has 16 divisors (see below), whose sum is σ = 100358262016. Its totient is φ = 75021857856.

The previous prime is 87669422273. The next prime is 87669422303. The reversal of 87669422281 is 18222496678.

It is a cyclic number.

It is not a de Polignac number, because 87669422281 - 2³ = 87669422273 is a prime.

It is a super-2 number, since 2×87669422281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87669422081) 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, 12526075 + ... + 12533071.

It is an arithmetic number, because the mean of its divisors is an integer number (6272391376).

Almost surely, 2^87669422281 is an apocalyptic number.

It is an amenable number.

87669422281 is a deficient number, since it is larger than the sum of its proper divisors (12688839735).

87669422281 is a wasteful number, since it uses less digits than its factorization.

87669422281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9688.

The product of its digits is 4644864, while the sum is 55.

The spelling of 87669422281 in words is "eighty-seven billion, six hundred sixty-nine million, four hundred twenty-two thousand, two hundred eighty-one".