172200587 has 8 divisors (see below), whose sum is σ = 187089504. Its totient is φ = 157546368.

The previous prime is 172200491. The next prime is 172200593. The reversal of 172200587 is 785002271.

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

It is a cyclic number.

It is not a de Polignac number, because 172200587 - 2²⁰ = 171152011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172200887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57143 + ... + 60080.

It is an arithmetic number, because the mean of its divisors is an integer number (23386188).

Almost surely, 2^172200587 is an apocalyptic number.

172200587 is a deficient number, since it is larger than the sum of its proper divisors (14888917).

172200587 is a wasteful number, since it uses less digits than its factorization.

172200587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117349.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 172200587 is about 13122.5221280057. The cubic root of 172200587 is about 556.3458794958.

The spelling of 172200587 in words is "one hundred seventy-two million, two hundred thousand, five hundred eighty-seven".