85051485 has 32 divisors (see below), whose sum is σ = 154068480. Its totient is φ = 44501184.

The previous prime is 85051481. The next prime is 85051487. The reversal of 85051485 is 58415058.

85051485 is a `hidden beast` number, since 8 + 505 + 148 + 5 = 666.

It is not a de Polignac number, because 85051485 - 2² = 85051481 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85051481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212 + ... + 13098.

It is an arithmetic number, because the mean of its divisors is an integer number (4814640).

Almost surely, 2^85051485 is an apocalyptic number.

It is an amenable number.

85051485 is a deficient number, since it is larger than the sum of its proper divisors (69016995).

85051485 is a wasteful number, since it uses less digits than its factorization.

85051485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11954 (or 11948 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 85051485 is about 9222.3362007682. The cubic root of 85051485 is about 439.7717221516.

The spelling of 85051485 in words is "eighty-five million, fifty-one thousand, four hundred eighty-five".