85247515 has 8 divisors (see below), whose sum is σ = 102354768. Its totient is φ = 68159520.

The previous prime is 85247473. The next prime is 85247531. The reversal of 85247515 is 51574258.

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

It is not a de Polignac number, because 85247515 - 2¹⁷ = 85116443 is a prime.

It is a Duffinian 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, 8064 + ... + 15346.

It is an arithmetic number, because the mean of its divisors is an integer number (12794346).

Almost surely, 2^85247515 is an apocalyptic number.

85247515 is a deficient number, since it is larger than the sum of its proper divisors (17107253).

85247515 is a wasteful number, since it uses less digits than its factorization.

85247515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9629.

The product of its digits is 56000, while the sum is 37.

The square root of 85247515 is about 9232.9580850343. The cubic root of 85247515 is about 440.1093306138.

The spelling of 85247515 in words is "eighty-five million, two hundred forty-seven thousand, five hundred fifteen".