87024485 has 4 divisors (see below), whose sum is σ = 104429388. Its totient is φ = 69619584.

The previous prime is 87024473. The next prime is 87024593. The reversal of 87024485 is 58442078.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58442078 = 2 ⋅29221039.

It can be written as a sum of positive squares in 2 ways, for example, as 66945124 + 20079361 = 8182^2 + 4481^2 .

It is a cyclic number.

It is not a de Polignac number, because 87024485 - 2²⁴ = 70247269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8702444 + ... + 8702453.

It is an arithmetic number, because the mean of its divisors is an integer number (26107347).

Almost surely, 2^87024485 is an apocalyptic number.

It is an amenable number.

87024485 is a deficient number, since it is larger than the sum of its proper divisors (17404903).

87024485 is a wasteful number, since it uses less digits than its factorization.

87024485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17404902.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 87024485 is about 9328.6914945238. The cubic root of 87024485 is about 443.1463269297.

The spelling of 87024485 in words is "eighty-seven million, twenty-four thousand, four hundred eighty-five".