85051071 has 12 divisors (see below), whose sum is σ = 140401872. Its totient is φ = 48600576.

The previous prime is 85051067. The next prime is 85051081. The reversal of 85051071 is 17015058.

85051071 is a `hidden beast` number, since 85 + 0 + 510 + 71 = 666.

It is not a de Polignac number, because 85051071 - 2² = 85051067 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85051081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674946 + ... + 675071.

It is an arithmetic number, because the mean of its divisors is an integer number (11700156).

Almost surely, 2^85051071 is an apocalyptic number.

85051071 is a deficient number, since it is larger than the sum of its proper divisors (55350801).

85051071 is a wasteful number, since it uses less digits than its factorization.

85051071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350030 (or 1350027 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 85051071 is about 9222.3137552352. The cubic root of 85051071 is about 439.7710086004.

The spelling of 85051071 in words is "eighty-five million, fifty-one thousand, seventy-one".