87873713 has 4 divisors (see below), whose sum is σ = 88565760. Its totient is φ = 87181668.

The previous prime is 87873707. The next prime is 87873739. The reversal of 87873713 is 31737878.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87873713 - 2¹⁰ = 87872689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87873703) 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, 345833 + ... + 346086.

It is an arithmetic number, because the mean of its divisors is an integer number (22141440).

Almost surely, 2^87873713 is an apocalyptic number.

It is an amenable number.

87873713 is a deficient number, since it is larger than the sum of its proper divisors (692047).

87873713 is a wasteful number, since it uses less digits than its factorization.

87873713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692046.

The product of its digits is 197568, while the sum is 44.

The square root of 87873713 is about 9374.0979832728. The cubic root of 87873713 is about 444.5831436950.

The spelling of 87873713 in words is "eighty-seven million, eight hundred seventy-three thousand, seven hundred thirteen".