87206541 has 8 divisors (see below), whose sum is σ = 116775360. Its totient is φ = 57887712.

The previous prime is 87206519. The next prime is 87206557. The reversal of 87206541 is 14560278.

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

It is not a de Polignac number, because 87206541 - 2⁶ = 87206477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87206341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61681 + ... + 63078.

It is an arithmetic number, because the mean of its divisors is an integer number (14596920).

Almost surely, 2^87206541 is an apocalyptic number.

It is an amenable number.

87206541 is a deficient number, since it is larger than the sum of its proper divisors (29568819).

87206541 is a wasteful number, since it uses less digits than its factorization.

87206541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124995.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 87206541 is about 9338.4442494454. Note that the first 3 decimals coincide. The cubic root of 87206541 is about 443.4551337124.

The spelling of 87206541 in words is "eighty-seven million, two hundred six thousand, five hundred forty-one".