86867206 has 4 divisors (see below), whose sum is σ = 130300812. Its totient is φ = 43433602.

The previous prime is 86867191. The next prime is 86867237. The reversal of 86867206 is 60276868.

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

It is a super-3 number, since 3×86867206³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21716800 + ... + 21716803.

It is an arithmetic number, because the mean of its divisors is an integer number (32575203).

Almost surely, 2^86867206 is an apocalyptic number.

86867206 is a deficient number, since it is larger than the sum of its proper divisors (43433606).

86867206 is a wasteful number, since it uses less digits than its factorization.

86867206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43433605.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 86867206 is about 9320.2578290517. The cubic root of 86867206 is about 442.8792004176.

The spelling of 86867206 in words is "eighty-six million, eight hundred sixty-seven thousand, two hundred six".