85298247 has 12 divisors (see below), whose sum is σ = 125297640. Its totient is φ = 55901328.

The previous prime is 85298243. The next prime is 85298263. The reversal of 85298247 is 74289258.

85298247 is a `hidden beast` number, since 8 + 529 + 82 + 47 = 666.

It is not a de Polignac number, because 85298247 - 2² = 85298243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85298243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79788 + ... + 80849.

It is an arithmetic number, because the mean of its divisors is an integer number (10441470).

Almost surely, 2^85298247 is an apocalyptic number.

85298247 is a deficient number, since it is larger than the sum of its proper divisors (39999393).

85298247 is a wasteful number, since it uses less digits than its factorization.

85298247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160702 (or 160699 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 85298247 is about 9235.7050082817. The cubic root of 85298247 is about 440.1966183932.

It can be divided in two parts, 852 and 98247, that added together give a palindrome (99099).

The spelling of 85298247 in words is "eighty-five million, two hundred ninety-eight thousand, two hundred forty-seven".