87590323556 has 6 divisors (see below), whose sum is σ = 153283066230. Its totient is φ = 43795161776.

The previous prime is 87590323547. The next prime is 87590323577. The reversal of 87590323556 is 65532309578.

It can be written as a sum of positive squares in only one way, i.e., 58491422500 + 29098901056 = 241850^2 + 170584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87590323498 and 87590323507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10948790441 + ... + 10948790448.

It is an arithmetic number, because the mean of its divisors is an integer number (25547177705).

Almost surely, 2^87590323556 is an apocalyptic number.

It is an amenable number.

87590323556 is a deficient number, since it is larger than the sum of its proper divisors (65692742674).

87590323556 is a wasteful number, since it uses less digits than its factorization.

87590323556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21897580893 (or 21897580891 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 87590323556 in words is "eighty-seven billion, five hundred ninety million, three hundred twenty-three thousand, five hundred fifty-six".