87873311 has 4 divisors (see below), whose sum is σ = 89531352. Its totient is φ = 86215272.

The previous prime is 87873301. The next prime is 87873329. The reversal of 87873311 is 11337878.

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-87873311 is a prime.

It is a super-2 number, since 2×87873311² = 15443437572205442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87873301) 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 3 ways as a sum of consecutive naturals, for example, 828941 + ... + 829046.

It is an arithmetic number, because the mean of its divisors is an integer number (22382838).

Almost surely, 2^87873311 is an apocalyptic number.

87873311 is a deficient number, since it is larger than the sum of its proper divisors (1658041).

87873311 is a wasteful number, since it uses less digits than its factorization.

87873311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658040.

The product of its digits is 28224, while the sum is 38.

The square root of 87873311 is about 9374.0765411853. The cubic root of 87873311 is about 444.5824657421.

The spelling of 87873311 in words is "eighty-seven million, eight hundred seventy-three thousand, three hundred eleven".