87269868205 has 8 divisors (see below), whose sum is σ = 112779522072. Its totient is φ = 64445441088.

The previous prime is 87269868199. The next prime is 87269868223. The reversal of 87269868205 is 50286896278.

It can be written as a sum of positive squares in 4 ways, for example, as 8060268841 + 79209599364 = 89779^2 + 281442^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87269868205 - 2⁵ = 87269868173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671306614 + ... + 671306743.

It is an arithmetic number, because the mean of its divisors is an integer number (14097440259).

Almost surely, 2^87269868205 is an apocalyptic number.

It is an amenable number.

87269868205 is a deficient number, since it is larger than the sum of its proper divisors (25509653867).

87269868205 is a wasteful number, since it uses less digits than its factorization.

87269868205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342613375.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 87269868205 in words is "eighty-seven billion, two hundred sixty-nine million, eight hundred sixty-eight thousand, two hundred five".