85071485 has 24 divisors (see below), whose sum is σ = 109613736. Its totient is φ = 63365120.

The previous prime is 85071479. The next prime is 85071487. The reversal of 85071485 is 58417058.

It can be written as a sum of positive squares in 12 ways, for example, as 27478564 + 57592921 = 5242^2 + 7589^2 .

It is not a de Polignac number, because 85071485 - 2⁶ = 85071421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85071487) 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 23 ways as a sum of consecutive naturals, for example, 163025 + ... + 163545.

It is an arithmetic number, because the mean of its divisors is an integer number (4567239).

Almost surely, 2^85071485 is an apocalyptic number.

85071485 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85071485 is a deficient number, since it is larger than the sum of its proper divisors (24542251).

85071485 is a wasteful number, since it uses less digits than its factorization.

85071485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 85071485 is about 9223.4204609787. The cubic root of 85071485 is about 439.8061904705.

The spelling of 85071485 in words is "eighty-five million, seventy-one thousand, four hundred eighty-five".