87024613 has 8 divisors (see below), whose sum is σ = 95256056. Its totient is φ = 79012800.

The previous prime is 87024611. The next prime is 87024643. The reversal of 87024613 is 31642078.

It can be written as a sum of positive squares in 4 ways, for example, as 3448449 + 83576164 = 1857^2 + 9142^2 .

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 87024613 - 2¹ = 87024611 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 (87024611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54078 + ... + 55663.

It is an arithmetic number, because the mean of its divisors is an integer number (11907007).

Almost surely, 2^87024613 is an apocalyptic number.

It is an amenable number.

87024613 is a deficient number, since it is larger than the sum of its proper divisors (8231443).

87024613 is a wasteful number, since it uses less digits than its factorization.

87024613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109815.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 87024613 is about 9328.6983550761. The cubic root of 87024613 is about 443.1465441969.

The spelling of 87024613 in words is "eighty-seven million, twenty-four thousand, six hundred thirteen".