87665495 has 8 divisors (see below), whose sum is σ = 105512784. Its totient is φ = 69922944.

The previous prime is 87665477. The next prime is 87665497. The reversal of 87665495 is 59456678.

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 87665495 - 2⁸ = 87665239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87665497) 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, 24329 + ... + 27698.

It is an arithmetic number, because the mean of its divisors is an integer number (13189098).

Almost surely, 2^87665495 is an apocalyptic number.

87665495 is a deficient number, since it is larger than the sum of its proper divisors (17847289).

87665495 is a wasteful number, since it uses less digits than its factorization.

87665495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52369.

The product of its digits is 1814400, while the sum is 50.

The square root of 87665495 is about 9362.9853679262. The cubic root of 87665495 is about 444.2317173062.

The spelling of 87665495 in words is "eighty-seven million, six hundred sixty-five thousand, four hundred ninety-five".