85029789 has 8 divisors (see below), whose sum is σ = 122094112. Its totient is φ = 52326000.

The previous prime is 85029751. The next prime is 85029839. The reversal of 85029789 is 98792058.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85029789 - 2¹⁵ = 84997021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85029719) 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, 1090087 + ... + 1090164.

It is an arithmetic number, because the mean of its divisors is an integer number (15261764).

Almost surely, 2^85029789 is an apocalyptic number.

It is an amenable number.

85029789 is a deficient number, since it is larger than the sum of its proper divisors (37064323).

85029789 is a wasteful number, since it uses less digits than its factorization.

85029789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180267.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 85029789 is about 9221.1598511250. The cubic root of 85029789 is about 439.7343248085.

The spelling of 85029789 in words is "eighty-five million, twenty-nine thousand, seven hundred eighty-nine".