85049999 has 8 divisors (see below), whose sum is σ = 85682880. Its totient is φ = 84420000.

The previous prime is 85049971. The next prime is 85050083. The reversal of 85049999 is 99994058.

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-85049999 is a prime.

It is a Duffinian number.

85049999 is a modest number, since divided by 9999 gives 8504 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 85049999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85049099) 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, 112874 + ... + 113624.

It is an arithmetic number, because the mean of its divisors is an integer number (10710360).

Almost surely, 2^85049999 is an apocalyptic number.

85049999 is a deficient number, since it is larger than the sum of its proper divisors (632881).

85049999 is a wasteful number, since it uses less digits than its factorization.

85049999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The square root of 85049999 is about 9222.2556351470. The cubic root of 85049999 is about 439.7691609399.

The spelling of 85049999 in words is "eighty-five million, forty-nine thousand, nine hundred ninety-nine".