86412637 has 4 divisors (see below), whose sum is σ = 86531260. Its totient is φ = 86294016.

The previous prime is 86412617. The next prime is 86412653. The reversal of 86412637 is 73621468.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60310756 + 26101881 = 7766^2 + 5109^2 .

It is a cyclic number.

It is not a de Polignac number, because 86412637 - 2¹¹ = 86410589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86412596 and 86412605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86412607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58212 + ... + 59677.

It is an arithmetic number, because the mean of its divisors is an integer number (21632815).

Almost surely, 2^86412637 is an apocalyptic number.

It is an amenable number.

86412637 is a deficient number, since it is larger than the sum of its proper divisors (118623).

86412637 is a wasteful number, since it uses less digits than its factorization.

86412637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118622.

The product of its digits is 48384, while the sum is 37.

The square root of 86412637 is about 9295.8397684125. The cubic root of 86412637 is about 442.1053320760.

The spelling of 86412637 in words is "eighty-six million, four hundred twelve thousand, six hundred thirty-seven".