85729235 has 8 divisors (see below), whose sum is σ = 108289680. Its totient is φ = 64973664.

The previous prime is 85729219. The next prime is 85729253. The reversal of 85729235 is 53292758.

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 85729235 - 2⁴ = 85729219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85729192 and 85729201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451112 + ... + 451301.

It is an arithmetic number, because the mean of its divisors is an integer number (13536210).

Almost surely, 2^85729235 is an apocalyptic number.

85729235 is a deficient number, since it is larger than the sum of its proper divisors (22560445).

85729235 is a wasteful number, since it uses less digits than its factorization.

85729235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902437.

The product of its digits is 151200, while the sum is 41.

The square root of 85729235 is about 9259.0083162291. The cubic root of 85729235 is about 440.9367696772.

The spelling of 85729235 in words is "eighty-five million, seven hundred twenty-nine thousand, two hundred thirty-five".