87322147 has 8 divisors (see below), whose sum is σ = 95643072. Its totient is φ = 79065000.

The previous prime is 87322093. The next prime is 87322153. The reversal of 87322147 is 74122378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-87322147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87322177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13053 + ... + 18574.

It is an arithmetic number, because the mean of its divisors is an integer number (11955384).

Almost surely, 2^87322147 is an apocalyptic number.

87322147 is a deficient number, since it is larger than the sum of its proper divisors (8320925).

87322147 is a wasteful number, since it uses less digits than its factorization.

87322147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31889.

The product of its digits is 18816, while the sum is 34.

The square root of 87322147 is about 9344.6319884734. The cubic root of 87322147 is about 443.6510037183.

The spelling of 87322147 in words is "eighty-seven million, three hundred twenty-two thousand, one hundred forty-seven".