87597953 has 8 divisors (see below), whose sum is σ = 88200000. Its totient is φ = 86998608.

The previous prime is 87597947. The next prime is 87597973. The reversal of 87597953 is 35979578.

It is a happy number.

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 87597953 - 2²⁰ = 86549377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87597895 and 87597904.

It is not an unprimeable number, because it can be changed into a prime (87597973) 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 7 ways as a sum of consecutive naturals, for example, 173900 + ... + 174402.

It is an arithmetic number, because the mean of its divisors is an integer number (11025000).

Almost surely, 2^87597953 is an apocalyptic number.

It is an amenable number.

87597953 is a deficient number, since it is larger than the sum of its proper divisors (602047).

87597953 is a wasteful number, since it uses less digits than its factorization.

87597953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its digits is 2381400, while the sum is 53.

The square root of 87597953 is about 9359.3778105171. The cubic root of 87597953 is about 444.1176016838.

The spelling of 87597953 in words is "eighty-seven million, five hundred ninety-seven thousand, nine hundred fifty-three".