86712082 has 4 divisors (see below), whose sum is σ = 130068126. Its totient is φ = 43356040.

The previous prime is 86712071. The next prime is 86712091. The reversal of 86712082 is 28021768.

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., 58844241 + 27867841 = 7671^2 + 5279^2 .

It is an unprimeable number.

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, 21678019 + ... + 21678022.

Almost surely, 2^86712082 is an apocalyptic number.

86712082 is a deficient number, since it is larger than the sum of its proper divisors (43356044).

86712082 is a wasteful number, since it uses less digits than its factorization.

86712082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43356043.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 86712082 is about 9311.9322377260. The cubic root of 86712082 is about 442.6154179866.

The spelling of 86712082 in words is "eighty-six million, seven hundred twelve thousand, eighty-two".