85000029 has 16 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 55684656.

The previous prime is 85000021. The next prime is 85000037. The reversal of 85000029 is 92000058.

It is an interprime number because it is at equal distance from previous prime (85000021) and next prime (85000037).

It is not a de Polignac number, because 85000029 - 2³ = 85000021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84999972 and 85000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85000021) 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, 41962 + ... + 43940.

It is an arithmetic number, because the mean of its divisors is an integer number (7207200).

Almost surely, 2^85000029 is an apocalyptic number.

It is an amenable number.

85000029 is a deficient number, since it is larger than the sum of its proper divisors (30315171).

85000029 is a wasteful number, since it uses less digits than its factorization.

85000029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 85000029 is about 9219.5460300386. The cubic root of 85000029 is about 439.6830172190.

The spelling of 85000029 in words is "eighty-five million, twenty-nine", and thus it is an aban number and an uban number.