86975716 has 6 divisors (see below), whose sum is σ = 152207510. Its totient is φ = 43487856.

The previous prime is 86975701. The next prime is 86975717. The reversal of 86975716 is 61757968.

It can be written as a sum of positive squares in only one way, i.e., 62473216 + 24502500 = 7904^2 + 4950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86975716.

It is not an unprimeable number, because it can be changed into a prime (86975717) 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, 10871961 + ... + 10871968.

Almost surely, 2^86975716 is an apocalyptic number.

It is an amenable number.

86975716 is a deficient number, since it is larger than the sum of its proper divisors (65231794).

86975716 is a wasteful number, since it uses less digits than its factorization.

86975716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21743933 (or 21743931 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 86975716 is about 9326.0772031975. The cubic root of 86975716 is about 443.0635309151.

The spelling of 86975716 in words is "eighty-six million, nine hundred seventy-five thousand, seven hundred sixteen".