87874539 has 8 divisors (see below), whose sum is σ = 117311040. Its totient is φ = 58510536.

The previous prime is 87874517. The next prime is 87874543. The reversal of 87874539 is 93547878.

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-87874539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87874491 and 87874500.

It is not an unprimeable number, because it can be changed into a prime (87870539) 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, 15229 + ... + 20190.

It is an arithmetic number, because the mean of its divisors is an integer number (14663880).

Almost surely, 2^87874539 is an apocalyptic number.

87874539 is a deficient number, since it is larger than the sum of its proper divisors (29436501).

87874539 is a wasteful number, since it uses less digits than its factorization.

87874539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36249.

The product of its digits is 1693440, while the sum is 51.

The square root of 87874539 is about 9374.1420407416. The cubic root of 87874539 is about 444.5845366960.

The spelling of 87874539 in words is "eighty-seven million, eight hundred seventy-four thousand, five hundred thirty-nine".