87081706017 has 16 divisors (see below), whose sum is σ = 129115990080. Its totient is φ = 58006745856.

The previous prime is 87081705989. The next prime is 87081706031. The reversal of 87081706017 is 71060718078.

It is a happy number.

It is not a de Polignac number, because 87081706017 - 2¹⁰ = 87081704993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87081706037) 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, 1292223 + ... + 1357940.

It is an arithmetic number, because the mean of its divisors is an integer number (8069749380).

Almost surely, 2^87081706017 is an apocalyptic number.

It is an amenable number.

87081706017 is a deficient number, since it is larger than the sum of its proper divisors (42034284063).

87081706017 is a wasteful number, since it uses less digits than its factorization.

87081706017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651389 (or 2651383 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 45.

The spelling of 87081706017 in words is "eighty-seven billion, eighty-one million, seven hundred six thousand, seventeen".