85769153 has 8 divisors (see below), whose sum is σ = 88831080. Its totient is φ = 82714240.

The previous prime is 85769141. The next prime is 85769161. The reversal of 85769153 is 35196758.

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 85507009 = 512^2 + 9247^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 85769153 - 2¹⁰ = 85768129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85769113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41951 + ... + 43947.

It is an arithmetic number, because the mean of its divisors is an integer number (11103885).

Almost surely, 2^85769153 is an apocalyptic number.

It is an amenable number.

85769153 is a deficient number, since it is larger than the sum of its proper divisors (3061927).

85769153 is a wasteful number, since it uses less digits than its factorization.

85769153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507.

The product of its digits is 226800, while the sum is 44.

The square root of 85769153 is about 9261.1636957782. The cubic root of 85769153 is about 441.0051966761.

The spelling of 85769153 in words is "eighty-five million, seven hundred sixty-nine thousand, one hundred fifty-three".