85518470 has 16 divisors (see below), whose sum is σ = 158094288. Its totient is φ = 33282720.

The previous prime is 85518451. The next prime is 85518479. The reversal of 85518470 is 7481558.

It is a super-2 number, since 2×85518470² = 14626817422281800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85518479) 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 7 ways as a sum of consecutive naturals, for example, 115196 + ... + 115935.

It is an arithmetic number, because the mean of its divisors is an integer number (9880893).

Almost surely, 2^85518470 is an apocalyptic number.

85518470 is a deficient number, since it is larger than the sum of its proper divisors (72575818).

85518470 is a wasteful number, since it uses less digits than its factorization.

85518470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231175.

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

The square root of 85518470 is about 9247.6196937374. The cubic root of 85518470 is about 440.5751260218.

The spelling of 85518470 in words is "eighty-five million, five hundred eighteen thousand, four hundred seventy".