87111341 has 2 divisors, whose sum is σ = 87111342. Its totient is φ = 87111340.

The previous prime is 87111337. The next prime is 87111359. The reversal of 87111341 is 14311178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58446025 + 28665316 = 7645^2 + 5354^2 .

It is a cyclic number.

It is not a de Polignac number, because 87111341 - 2² = 87111337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87111341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87171341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43555670 + 43555671.

It is an arithmetic number, because the mean of its divisors is an integer number (43555671).

Almost surely, 2^87111341 is an apocalyptic number.

It is an amenable number.

87111341 is a deficient number, since it is larger than the sum of its proper divisors (1).

87111341 is an equidigital number, since it uses as much as digits as its factorization.

87111341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 26.

The square root of 87111341 is about 9333.3456488014. The cubic root of 87111341 is about 443.2937073646.

The spelling of 87111341 in words is "eighty-seven million, one hundred eleven thousand, three hundred forty-one".