85248799 has 4 divisors (see below), whose sum is σ = 87328080. Its totient is φ = 83169520.

The previous prime is 85248797. The next prime is 85248803. The reversal of 85248799 is 99784258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85248799 - 2¹ = 85248797 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 (85248797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039579 + ... + 1039660.

It is an arithmetic number, because the mean of its divisors is an integer number (21832020).

Almost surely, 2^85248799 is an apocalyptic number.

85248799 is a deficient number, since it is larger than the sum of its proper divisors (2079281).

85248799 is a wasteful number, since it uses less digits than its factorization.

85248799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079280.

The product of its digits is 1451520, while the sum is 52.

The square root of 85248799 is about 9233.0276182843. The cubic root of 85248799 is about 440.1115402483. Note that the first 3 decimals are identical.

The spelling of 85248799 in words is "eighty-five million, two hundred forty-eight thousand, seven hundred ninety-nine".