86437541 has 4 divisors (see below), whose sum is σ = 88068492. Its totient is φ = 84806592.

The previous prime is 86437531. The next prime is 86437543. The reversal of 86437541 is 14573468.

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 69388900 + 17048641 = 8330^2 + 4129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86437541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86437495 and 86437504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86437543) 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, 815396 + ... + 815501.

It is an arithmetic number, because the mean of its divisors is an integer number (22017123).

Almost surely, 2^86437541 is an apocalyptic number.

It is an amenable number.

86437541 is a deficient number, since it is larger than the sum of its proper divisors (1630951).

86437541 is a wasteful number, since it uses less digits than its factorization.

86437541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630950.

The product of its digits is 80640, while the sum is 38.

The square root of 86437541 is about 9297.1791958637. The cubic root of 86437541 is about 442.1477993741.

The spelling of 86437541 in words is "eighty-six million, four hundred thirty-seven thousand, five hundred forty-one".