85029399 has 32 divisors (see below), whose sum is σ = 155043840. Its totient is φ = 44849376.

The previous prime is 85029377. The next prime is 85029403. The reversal of 85029399 is 99392058.

It is not a de Polignac number, because 85029399 - 2⁷ = 85029271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85029299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14847 + ... + 19760.

It is an arithmetic number, because the mean of its divisors is an integer number (4845120).

Almost surely, 2^85029399 is an apocalyptic number.

85029399 is a deficient number, since it is larger than the sum of its proper divisors (70014441).

85029399 is a wasteful number, since it uses less digits than its factorization.

85029399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34636 (or 34630 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 85029399 is about 9221.1387040864. The cubic root of 85029399 is about 439.7336525083.

The spelling of 85029399 in words is "eighty-five million, twenty-nine thousand, three hundred ninety-nine".