86207638 has 8 divisors (see below), whose sum is σ = 141067080. Its totient is φ = 39185280.

The previous prime is 86207623. The next prime is 86207651. The reversal of 86207638 is 83670268.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86207638.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1959243 + ... + 1959286.

It is an arithmetic number, because the mean of its divisors is an integer number (17633385).

Almost surely, 2^86207638 is an apocalyptic number.

86207638 is a deficient number, since it is larger than the sum of its proper divisors (54859442).

86207638 is a wasteful number, since it uses less digits than its factorization.

86207638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918542.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 86207638 is about 9284.8068369784. The cubic root of 86207638 is about 441.7554491668.

The spelling of 86207638 in words is "eighty-six million, two hundred seven thousand, six hundred thirty-eight".