87301393 has 4 divisors (see below), whose sum is σ = 87322480. Its totient is φ = 87280308.

The previous prime is 87301391. The next prime is 87301429. The reversal of 87301393 is 39310378.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39310378 = 2 ⋅19655189.

It is a cyclic number.

It is not a de Polignac number, because 87301393 - 2¹ = 87301391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87301391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055 + ... + 13372.

It is an arithmetic number, because the mean of its divisors is an integer number (21830620).

Almost surely, 2^87301393 is an apocalyptic number.

It is an amenable number.

87301393 is a deficient number, since it is larger than the sum of its proper divisors (21087).

87301393 is a wasteful number, since it uses less digits than its factorization.

87301393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21086.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 87301393 is about 9343.5214453652. The cubic root of 87301393 is about 443.6158531759.

The spelling of 87301393 in words is "eighty-seven million, three hundred one thousand, three hundred ninety-three".