87484439 has 8 divisors (see below), whose sum is σ = 100304160. Its totient is φ = 74745216.

The previous prime is 87484429. The next prime is 87484457. The reversal of 87484439 is 93448478.

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

It is a de Polignac number, because none of the positive numbers 2^k-87484439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87484393 and 87484402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87484429) 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, 17774 + ... + 22155.

It is an arithmetic number, because the mean of its divisors is an integer number (12538020).

Almost surely, 2^87484439 is an apocalyptic number.

87484439 is a deficient number, since it is larger than the sum of its proper divisors (12819721).

87484439 is a wasteful number, since it uses less digits than its factorization.

87484439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40249.

The product of its digits is 774144, while the sum is 47.

The square root of 87484439 is about 9353.3116595140. The cubic root of 87484439 is about 443.9256818364.

The spelling of 87484439 in words is "eighty-seven million, four hundred eighty-four thousand, four hundred thirty-nine".