87275339 has 4 divisors (see below), whose sum is σ = 88578024. Its totient is φ = 85972656.

The previous prime is 87275333. The next prime is 87275387. The reversal of 87275339 is 93357278.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87275339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87275339.

It is not an unprimeable number, because it can be changed into a prime (87275333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651242 + ... + 651375.

It is an arithmetic number, because the mean of its divisors is an integer number (22144506).

Almost surely, 2^87275339 is an apocalyptic number.

87275339 is a deficient number, since it is larger than the sum of its proper divisors (1302685).

87275339 is a wasteful number, since it uses less digits than its factorization.

87275339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302684.

The product of its digits is 317520, while the sum is 44.

The square root of 87275339 is about 9342.1271132435. The cubic root of 87275339 is about 443.5717182658.

The spelling of 87275339 in words is "eighty-seven million, two hundred seventy-five thousand, three hundred thirty-nine".