87513349 has 16 divisors (see below), whose sum is σ = 110609280. Its totient is φ = 67253760.

The previous prime is 87513347. The next prime is 87513353. The reversal of 87513349 is 94331578.

It is not a de Polignac number, because 87513349 - 2¹ = 87513347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87513347) 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 15 ways as a sum of consecutive naturals, for example, 2164 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (6913080).

Almost surely, 2^87513349 is an apocalyptic number.

It is an amenable number.

87513349 is a deficient number, since it is larger than the sum of its proper divisors (23095931).

87513349 is a wasteful number, since it uses less digits than its factorization.

87513349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15660.

The product of its digits is 90720, while the sum is 40.

The square root of 87513349 is about 9354.8569737864. The cubic root of 87513349 is about 443.9745761624.

It can be divided in two parts, 8751 and 3349, that added together give a square (12100 = 110²).

The spelling of 87513349 in words is "eighty-seven million, five hundred thirteen thousand, three hundred forty-nine".