85441744 has 10 divisors (see below), whose sum is σ = 165543410. Its totient is φ = 42720864.

The previous prime is 85441687. The next prime is 85441751. The reversal of 85441744 is 44714458.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72046144 + 13395600 = 8488^2 + 3660^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2670039 + ... + 2670070.

It is an arithmetic number, because the mean of its divisors is an integer number (16554341).

Almost surely, 2^85441744 is an apocalyptic number.

It is an amenable number.

85441744 is a deficient number, since it is larger than the sum of its proper divisors (80101666).

85441744 is a wasteful number, since it uses less digits than its factorization.

85441744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340117 (or 5340111 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 85441744 is about 9243.4703439780. The cubic root of 85441744 is about 440.4433272750.

The spelling of 85441744 in words is "eighty-five million, four hundred forty-one thousand, seven hundred forty-four".