87941311 has 4 divisors (see below), whose sum is σ = 90973800. Its totient is φ = 84908824.

The previous prime is 87941303. The next prime is 87941339. The reversal of 87941311 is 11314978.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11314978 = 2 ⋅5657489.

It is a cyclic number.

It is not a de Polignac number, because 87941311 - 2³ = 87941303 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 (87941011) 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, 1516201 + ... + 1516258.

It is an arithmetic number, because the mean of its divisors is an integer number (22743450).

Almost surely, 2^87941311 is an apocalyptic number.

87941311 is a deficient number, since it is larger than the sum of its proper divisors (3032489).

87941311 is a wasteful number, since it uses less digits than its factorization.

87941311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032488.

The product of its digits is 6048, while the sum is 34.

The square root of 87941311 is about 9377.7028637081. The cubic root of 87941311 is about 444.6971149362.

The spelling of 87941311 in words is "eighty-seven million, nine hundred forty-one thousand, three hundred eleven".