87152017 has 2 divisors, whose sum is σ = 87152018. Its totient is φ = 87152016.

The previous prime is 87152011. The next prime is 87152029. The reversal of 87152017 is 71025178.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72437121 + 14714896 = 8511^2 + 3836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87152017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87152017.

It is not a weakly prime, because it can be changed into another prime (87152011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43576008 + 43576009.

It is an arithmetic number, because the mean of its divisors is an integer number (43576009).

Almost surely, 2^87152017 is an apocalyptic number.

It is an amenable number.

87152017 is a deficient number, since it is larger than the sum of its proper divisors (1).

87152017 is an equidigital number, since it uses as much as digits as its factorization.

87152017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 87152017 is about 9335.5244630390. The cubic root of 87152017 is about 443.3626942069.

The spelling of 87152017 in words is "eighty-seven million, one hundred fifty-two thousand, seventeen".