85839299 has 8 divisors (see below), whose sum is σ = 105648480. Its totient is φ = 67916736.

The previous prime is 85839293. The next prime is 85839301. The reversal of 85839299 is 99293858.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85839299 is a prime.

It is a super-2 number, since 2×85839299² = 14736770505622802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85839299.

It is not an unprimeable number, because it can be changed into a prime (85839293) 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, 471554 + ... + 471735.

It is an arithmetic number, because the mean of its divisors is an integer number (13206060).

Almost surely, 2^85839299 is an apocalyptic number.

85839299 is a deficient number, since it is larger than the sum of its proper divisors (19809181).

85839299 is a wasteful number, since it uses less digits than its factorization.

85839299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943309.

The product of its digits is 1399680, while the sum is 53.

The square root of 85839299 is about 9264.9500268485. The cubic root of 85839299 is about 441.1253887653.

The spelling of 85839299 in words is "eighty-five million, eight hundred thirty-nine thousand, two hundred ninety-nine".