87983242017 has 16 divisors (see below), whose sum is σ = 129413557440. Its totient is φ = 52724038400.

The previous prime is 87983241989. The next prime is 87983242021. The reversal of 87983242017 is 71024238978.

It is not a de Polignac number, because 87983242017 - 2¹¹ = 87983239969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87983242117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14975484 + ... + 14981357.

It is an arithmetic number, because the mean of its divisors is an integer number (8088347340).

Almost surely, 2^87983242017 is an apocalyptic number.

It is an amenable number.

87983242017 is a deficient number, since it is larger than the sum of its proper divisors (41430315423).

87983242017 is a wasteful number, since it uses less digits than its factorization.

87983242017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29956944.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 87983242017 in words is "eighty-seven billion, nine hundred eighty-three million, two hundred forty-two thousand, seventeen".