85729202 has 16 divisors (see below), whose sum is σ = 139258392. Its totient is φ = 39346560.

The previous prime is 85729169. The next prime is 85729207. The reversal of 85729202 is 20292758.

It can be written as a sum of positive squares in 4 ways, for example, as 19616041 + 66113161 = 4429^2 + 8131^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85729207) 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, 4403 + ... + 13814.

Almost surely, 2^85729202 is an apocalyptic number.

85729202 is a deficient number, since it is larger than the sum of its proper divisors (53529190).

85729202 is a wasteful number, since it uses less digits than its factorization.

85729202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18413.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 85729202 is about 9259.0065341807. The cubic root of 85729202 is about 440.9367131002.

The spelling of 85729202 in words is "eighty-five million, seven hundred twenty-nine thousand, two hundred two".