87144495 has 8 divisors (see below), whose sum is σ = 139431216. Its totient is φ = 46477056.

The previous prime is 87144481. The next prime is 87144511. The reversal of 87144495 is 59444178.

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

It is not a de Polignac number, because 87144495 - 2⁷ = 87144367 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904802 + ... + 2904831.

It is an arithmetic number, because the mean of its divisors is an integer number (17428902).

Almost surely, 2^87144495 is an apocalyptic number.

87144495 is a deficient number, since it is larger than the sum of its proper divisors (52286721).

87144495 is a wasteful number, since it uses less digits than its factorization.

87144495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809641.

The product of its digits is 161280, while the sum is 42.

The square root of 87144495 is about 9335.1215846394. The cubic root of 87144495 is about 443.3499384488.

The spelling of 87144495 in words is "eighty-seven million, one hundred forty-four thousand, four hundred ninety-five".