82086670 has 8 divisors (see below), whose sum is σ = 147756024. Its totient is φ = 32834664.

The previous prime is 82086661. The next prime is 82086673. The reversal of 82086670 is 7668028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82086673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4104324 + ... + 4104343.

It is an arithmetic number, because the mean of its divisors is an integer number (18469503).

Almost surely, 2^82086670 is an apocalyptic number.

82086670 is a deficient number, since it is larger than the sum of its proper divisors (65669354).

82086670 is a wasteful number, since it uses less digits than its factorization.

82086670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208674.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 82086670 is about 9060.1694244644. The cubic root of 82086670 is about 434.6011581818.

It can be divided in two parts, 8208 and 6670, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 82086670 in words is "eighty-two million, eighty-six thousand, six hundred seventy".