87110643265 has 8 divisors (see below), whose sum is σ = 108137350440. Its totient is φ = 67285462272.

The previous prime is 87110643181. The next prime is 87110643311. The reversal of 87110643265 is 56234601178.

It can be written as a sum of positive squares in 4 ways, for example, as 6164134144 + 80946509121 = 78512^2 + 284511^2 .

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 87110643265 - 2¹¹ = 87110641217 is a prime.

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, 300381384 + ... + 300381673.

It is an arithmetic number, because the mean of its divisors is an integer number (13517168805).

Almost surely, 2^87110643265 is an apocalyptic number.

It is an amenable number.

87110643265 is a deficient number, since it is larger than the sum of its proper divisors (21026707175).

87110643265 is a wasteful number, since it uses less digits than its factorization.

87110643265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600763091.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 87110643265 in words is "eighty-seven billion, one hundred ten million, six hundred forty-three thousand, two hundred sixty-five".