86866837 has 8 divisors (see below), whose sum is σ = 92752704. Its totient is φ = 81156768.

The previous prime is 86866831. The next prime is 86866847. The reversal of 86866837 is 73866868.

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

It is a cyclic number.

It is not a de Polignac number, because 86866837 - 2⁷ = 86866709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86866831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42928 + ... + 44905.

It is an arithmetic number, because the mean of its divisors is an integer number (11594088).

Almost surely, 2^86866837 is an apocalyptic number.

It is an amenable number.

86866837 is a deficient number, since it is larger than the sum of its proper divisors (5885867).

86866837 is a wasteful number, since it uses less digits than its factorization.

86866837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87899.

The product of its digits is 2322432, while the sum is 52.

The square root of 86866837 is about 9320.2380334410. The cubic root of 86866837 is about 442.8785733200.

The spelling of 86866837 in words is "eighty-six million, eight hundred sixty-six thousand, eight hundred thirty-seven".