87267713 has 6 divisors (see below), whose sum is σ = 94497174. Its totient is φ = 80554656.

The previous prime is 87267707. The next prime is 87267731. The reversal of 87267713 is 31776278.

It can be written as a sum of positive squares in 3 ways, for example, as 8111104 + 79156609 = 2848^2 + 8897^2 .

It is not a de Polignac number, because 87267713 - 2⁸ = 87267457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87269713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258020 + ... + 258357.

It is an arithmetic number, because the mean of its divisors is an integer number (15749529).

Almost surely, 2^87267713 is an apocalyptic number.

It is an amenable number.

87267713 is a deficient number, since it is larger than the sum of its proper divisors (7229461).

87267713 is a wasteful number, since it uses less digits than its factorization.

87267713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516403 (or 516390 counting only the distinct ones).

The product of its digits is 98784, while the sum is 41.

The square root of 87267713 is about 9341.7189531692. The cubic root of 87267713 is about 443.5587983257.

The spelling of 87267713 in words is "eighty-seven million, two hundred sixty-seven thousand, seven hundred thirteen".