85476555 has 24 divisors (see below), whose sum is σ = 150593040. Its totient is φ = 44838720.

The previous prime is 85476553. The next prime is 85476581. The reversal of 85476555 is 55567458.

It is not a de Polignac number, because 85476555 - 2¹ = 85476553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85476555.

It is not an unprimeable number, because it can be changed into a prime (85476551) 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 23 ways as a sum of consecutive naturals, for example, 12825 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (6274710).

Almost surely, 2^85476555 is an apocalyptic number.

85476555 is a deficient number, since it is larger than the sum of its proper divisors (65116485).

85476555 is a wasteful number, since it uses less digits than its factorization.

85476555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31211 (or 31208 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The square root of 85476555 is about 9245.3531571271. The cubic root of 85476555 is about 440.5031348513.

Subtracting from 85476555 its product of digits (840000), we obtain a triangular number (84636555 = T₁₃₀₁₀).

The spelling of 85476555 in words is "eighty-five million, four hundred seventy-six thousand, five hundred fifty-five".