85470069 has 8 divisors (see below), whose sum is σ = 117636352. Its totient is φ = 55141920.

The previous prime is 85470043. The next prime is 85470071. The reversal of 85470069 is 96007458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85470069 - 2¹¹ = 85468021 is a prime.

It is a super-2 number, since 2×85470069² = 14610265389729522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85470019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459424 + ... + 459609.

It is an arithmetic number, because the mean of its divisors is an integer number (14704544).

Almost surely, 2^85470069 is an apocalyptic number.

It is an amenable number.

85470069 is a deficient number, since it is larger than the sum of its proper divisors (32166283).

85470069 is a wasteful number, since it uses less digits than its factorization.

85470069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919067.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 85470069 is about 9245.0023796644. The cubic root of 85470069 is about 440.4919927099.

The spelling of 85470069 in words is "eighty-five million, four hundred seventy thousand, sixty-nine".