86886637 has 2 divisors, whose sum is σ = 86886638. Its totient is φ = 86886636.

The previous prime is 86886629. The next prime is 86886647. The reversal of 86886637 is 73668868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79816356 + 7070281 = 8934^2 + 2659^2 .

It is a cyclic number.

It is not a de Polignac number, because 86886637 - 2³ = 86886629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86886647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43443318 + 43443319.

It is an arithmetic number, because the mean of its divisors is an integer number (43443319).

Almost surely, 2^86886637 is an apocalyptic number.

It is an amenable number.

86886637 is a deficient number, since it is larger than the sum of its proper divisors (1).

86886637 is an equidigital number, since it uses as much as digits as its factorization.

86886637 is an odious number, because the sum of its binary digits is odd.

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

The square root of 86886637 is about 9321.3001775503. The cubic root of 86886637 is about 442.9122199523.

The spelling of 86886637 in words is "eighty-six million, eight hundred eighty-six thousand, six hundred thirty-seven".