87495817 has 8 divisors (see below), whose sum is σ = 92806560. Its totient is φ = 82255680.

The previous prime is 87495803. The next prime is 87495823. The reversal of 87495817 is 71859478.

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 87495817 - 2¹⁵ = 87463049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87495827) 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, 15088 + ... + 20065.

It is an arithmetic number, because the mean of its divisors is an integer number (11600820).

Almost surely, 2^87495817 is an apocalyptic number.

It is an amenable number.

87495817 is a deficient number, since it is larger than the sum of its proper divisors (5310743).

87495817 is a wasteful number, since it uses less digits than its factorization.

87495817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35303.

The product of its digits is 564480, while the sum is 49.

The square root of 87495817 is about 9353.9198735076. The cubic root of 87495817 is about 443.9449262777.

The spelling of 87495817 in words is "eighty-seven million, four hundred ninety-five thousand, eight hundred seventeen".