85272297 has 8 divisors (see below), whose sum is σ = 124032480. Its totient is φ = 51680160.

The previous prime is 85272233. The next prime is 85272329. The reversal of 85272297 is 79227258.

It is a happy number.

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

It is not a de Polignac number, because 85272297 - 2⁶ = 85272233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85272197) 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 7 ways as a sum of consecutive naturals, for example, 1291972 + ... + 1292037.

It is an arithmetic number, because the mean of its divisors is an integer number (15504060).

Almost surely, 2^85272297 is an apocalyptic number.

It is an amenable number.

85272297 is a deficient number, since it is larger than the sum of its proper divisors (38760183).

85272297 is a wasteful number, since it uses less digits than its factorization.

85272297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584023.

The product of its digits is 141120, while the sum is 42.

The square root of 85272297 is about 9234.3000276144. The cubic root of 85272297 is about 440.1519740180.

The spelling of 85272297 in words is "eighty-five million, two hundred seventy-two thousand, two hundred ninety-seven".