85949199 has 24 divisors (see below), whose sum is σ = 144567072. Its totient is φ = 48185280.

The previous prime is 85949191. The next prime is 85949203. The reversal of 85949199 is 99194958.

It is not a de Polignac number, because 85949199 - 2³ = 85949191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85949191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9532 + ... + 16209.

It is an arithmetic number, because the mean of its divisors is an integer number (6023628).

Almost surely, 2^85949199 is an apocalyptic number.

85949199 is a deficient number, since it is larger than the sum of its proper divisors (58617873).

85949199 is a wasteful number, since it uses less digits than its factorization.

85949199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25807 (or 25804 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 85949199 is about 9270.8790845313. The cubic root of 85949199 is about 441.3135659987.

The spelling of 85949199 in words is "eighty-five million, nine hundred forty-nine thousand, one hundred ninety-nine".