85729254 has 32 divisors (see below), whose sum is σ = 194369280. Its totient is φ = 24989472.

The previous prime is 85729253. The next prime is 85729271. The reversal of 85729254 is 45292758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85729253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27442 + ... + 30405.

It is an arithmetic number, because the mean of its divisors is an integer number (6074040).

Almost surely, 2^85729254 is an apocalyptic number.

85729254 is an abundant number, since it is smaller than the sum of its proper divisors (108640026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85729254 is a wasteful number, since it uses less digits than its factorization.

85729254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57884.

The product of its digits is 201600, while the sum is 42.

The square root of 85729254 is about 9259.0093422569. The cubic root of 85729254 is about 440.9368022519.

The spelling of 85729254 in words is "eighty-five million, seven hundred twenty-nine thousand, two hundred fifty-four".