87731008885017 has 8 divisors (see below), whose sum is σ = 129971865014880. Its totient is φ = 58487339256660.

The previous prime is 87731008884947. The next prime is 87731008885027. The reversal of 87731008885017 is 71058880013778.

It is not a de Polignac number, because 87731008885017 - 2³¹ = 87728861401369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87731008885027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624648312659 + ... + 1624648312712.

It is an arithmetic number, because the mean of its divisors is an integer number (16246483126860).

Almost surely, 2^{87731008885017} is an apocalyptic number.

It is an amenable number.

87731008885017 is a deficient number, since it is larger than the sum of its proper divisors (42240856129863).

87731008885017 is a wasteful number, since it uses less digits than its factorization.

87731008885017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249296625380 (or 3249296625374 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 63.

The spelling of 87731008885017 in words is "eighty-seven trillion, seven hundred thirty-one billion, eight million, eight hundred eighty-five thousand, seventeen".