85475511 has 36 divisors (see below), whose sum is σ = 137468760. Its totient is φ = 50751360.

The previous prime is 85475479. The next prime is 85475531. The reversal of 85475511 is 11557458.

It is not a de Polignac number, because 85475511 - 2⁵ = 85475479 is a prime.

It is a super-2 number, since 2×85475511² = 14612125961422242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85475531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 784125 + ... + 784233.

Almost surely, 2^85475511 is an apocalyptic number.

85475511 is a deficient number, since it is larger than the sum of its proper divisors (51993249).

85475511 is a wasteful number, since it uses less digits than its factorization.

85475511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 212 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 85475511 is about 9245.2966961585. The cubic root of 85475511 is about 440.5013414272.

The spelling of 85475511 in words is "eighty-five million, four hundred seventy-five thousand, five hundred eleven".