86687338 has 4 divisors (see below), whose sum is σ = 130031010. Its totient is φ = 43343668.

The previous prime is 86687327. The next prime is 86687339. The reversal of 86687338 is 83378668.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 69605649 + 17081689 = 8343^2 + 4133^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86687291 and 86687300.

It is not an unprimeable number, because it can be changed into a prime (86687339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671833 + ... + 21671836.

Almost surely, 2^86687338 is an apocalyptic number.

86687338 is a deficient number, since it is larger than the sum of its proper divisors (43343672).

86687338 is a wasteful number, since it uses less digits than its factorization.

86687338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43343671.

The product of its digits is 1161216, while the sum is 49.

The square root of 86687338 is about 9310.6035250138. The cubic root of 86687338 is about 442.5733126745.

It can be divided in two parts, 86687 and 338, that added together give a square (87025 = 295²).

The spelling of 86687338 in words is "eighty-six million, six hundred eighty-seven thousand, three hundred thirty-eight".