87546089 has 8 divisors (see below), whose sum is σ = 90122760. Its totient is φ = 85003776.

The previous prime is 87546083. The next prime is 87546113. The reversal of 87546089 is 98064578.

It can be written as a sum of positive squares in 4 ways, for example, as 31416025 + 56130064 = 5605^2 + 7492^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 87546089 - 2¹⁶ = 87480553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87546083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374 + ... + 13655.

It is an arithmetic number, because the mean of its divisors is an integer number (11265345).

Almost surely, 2^87546089 is an apocalyptic number.

It is an amenable number.

87546089 is a deficient number, since it is larger than the sum of its proper divisors (2576671).

87546089 is a wasteful number, since it uses less digits than its factorization.

87546089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17179.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 87546089 is about 9356.6067032873. The cubic root of 87546089 is about 444.0299350133.

It can be divided in two parts, 875 and 46089, that added together give a palindrome (46964).

The spelling of 87546089 in words is "eighty-seven million, five hundred forty-six thousand, eighty-nine".