85029999 has 8 divisors (see below), whose sum is σ = 114000432. Its totient is φ = 56373120.

The previous prime is 85029961. The next prime is 85030021. The reversal of 85029999 is 99992058.

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

It is not a de Polignac number, because 85029999 - 2¹¹ = 85027951 is a prime.

85029999 is a modest number, since divided by 9999 gives 8502 as remainder.

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 7 ways as a sum of consecutive naturals, for example, 77754 + ... + 78839.

It is an arithmetic number, because the mean of its divisors is an integer number (14250054).

Almost surely, 2^85029999 is an apocalyptic number.

85029999 is a deficient number, since it is larger than the sum of its proper divisors (28970433).

85029999 is a wasteful number, since it uses less digits than its factorization.

85029999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156777.

The product of its (nonzero) digits is 524880, while the sum is 51.

The square root of 85029999 is about 9221.1712379719. The cubic root of 85029999 is about 439.7346868155.

The spelling of 85029999 in words is "eighty-five million, twenty-nine thousand, nine hundred ninety-nine".