85347297 has 32 divisors (see below), whose sum is σ = 152115200. Its totient is φ = 46201104.

The previous prime is 85347277. The next prime is 85347299. The reversal of 85347297 is 79274358.

It is not a de Polignac number, because 85347297 - 2⁷ = 85347169 is a prime.

It is a super-2 number, since 2×85347297² = 14568322210412418, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85347299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8293 + ... + 15474.

It is an arithmetic number, because the mean of its divisors is an integer number (4753600).

Almost surely, 2^85347297 is an apocalyptic number.

It is an amenable number.

85347297 is a deficient number, since it is larger than the sum of its proper divisors (66767903).

85347297 is a wasteful number, since it uses less digits than its factorization.

85347297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23802 (or 23796 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 85347297 is about 9238.3600817461. The cubic root of 85347297 is about 440.2809792780.

The spelling of 85347297 in words is "eighty-five million, three hundred forty-seven thousand, two hundred ninety-seven".