85612449 has 8 divisors (see below), whose sum is σ = 122930752. Its totient is φ = 52684560.

The previous prime is 85612447. The next prime is 85612451. The reversal of 85612449 is 94421658.

It is an interprime number because it is at equal distance from previous prime (85612447) and next prime (85612451).

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

It is not a de Polignac number, because 85612449 - 2¹ = 85612447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2195191 = 85612449 / (8 + 5 + 6 + 1 + 2 + 4 + 4 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85612447) 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, 1097557 + ... + 1097634.

It is an arithmetic number, because the mean of its divisors is an integer number (15366344).

Almost surely, 2^85612449 is an apocalyptic number.

It is an amenable number.

85612449 is a deficient number, since it is larger than the sum of its proper divisors (37318303).

85612449 is a wasteful number, since it uses less digits than its factorization.

85612449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195207.

The product of its digits is 69120, while the sum is 39.

The square root of 85612449 is about 9252.6995520226. The cubic root of 85612449 is about 440.7364543368.

The spelling of 85612449 in words is "eighty-five million, six hundred twelve thousand, four hundred forty-nine".