85787153 has 4 divisors (see below), whose sum is σ = 85958208. Its totient is φ = 85616100.

The previous prime is 85787089. The next prime is 85787161. The reversal of 85787153 is 35178758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85787153 - 2⁶ = 85787089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85787183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84773 + ... + 85778.

It is an arithmetic number, because the mean of its divisors is an integer number (21489552).

Almost surely, 2^85787153 is an apocalyptic number.

It is an amenable number.

85787153 is a deficient number, since it is larger than the sum of its proper divisors (171055).

85787153 is a wasteful number, since it uses less digits than its factorization.

85787153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171054.

The product of its digits is 235200, while the sum is 44.

The square root of 85787153 is about 9262.1354449177. The cubic root of 85787153 is about 441.0360451339.

The spelling of 85787153 in words is "eighty-five million, seven hundred eighty-seven thousand, one hundred fifty-three".