86975066 has 4 divisors (see below), whose sum is σ = 130462602. Its totient is φ = 43487532.

The previous prime is 86975033. The next prime is 86975069. The reversal of 86975066 is 66057968.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81522841 + 5452225 = 9029^2 + 2335^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86975066.

It is not an unprimeable number, because it can be changed into a prime (86975069) 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, 21743765 + ... + 21743768.

Almost surely, 2^86975066 is an apocalyptic number.

86975066 is a deficient number, since it is larger than the sum of its proper divisors (43487536).

86975066 is a wasteful number, since it uses less digits than its factorization.

86975066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43487535.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 86975066 is about 9326.0423546111. The cubic root of 86975066 is about 443.0624271893.

The spelling of 86975066 in words is "eighty-six million, nine hundred seventy-five thousand, sixty-six".