87916357 has 4 divisors (see below), whose sum is σ = 87935116. Its totient is φ = 87897600.

The previous prime is 87916349. The next prime is 87916369. The reversal of 87916357 is 75361978.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 38551681 + 49364676 = 6209^2 + 7026^2 .

It is a cyclic number.

It is not a de Polignac number, because 87916357 - 2³ = 87916349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87916307) 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, 4357 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (21983779).

Almost surely, 2^87916357 is an apocalyptic number.

It is an amenable number.

87916357 is a deficient number, since it is larger than the sum of its proper divisors (18759).

87916357 is an equidigital number, since it uses as much as digits as its factorization.

87916357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18758.

The product of its digits is 317520, while the sum is 46.

The square root of 87916357 is about 9376.3722728996. The cubic root of 87916357 is about 444.6550489210.

The spelling of 87916357 in words is "eighty-seven million, nine hundred sixteen thousand, three hundred fifty-seven".