85451948199 has 6 divisors (see below), whose sum is σ = 123430591856. Its totient is φ = 56967965460.

The previous prime is 85451948123. The next prime is 85451948237. The reversal of 85451948199 is 99184915458.

85451948199 is a `hidden beast` number, since 8 + 5 + 451 + 94 + 8 + 1 + 99 = 666.

It is not a de Polignac number, because 85451948199 - 2¹² = 85451944103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85451941199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4747330447 + ... + 4747330464.

Almost surely, 2^85451948199 is an apocalyptic number.

85451948199 is a deficient number, since it is larger than the sum of its proper divisors (37978643657).

85451948199 is a wasteful number, since it uses less digits than its factorization.

85451948199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494660917 (or 9494660914 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 63.

The spelling of 85451948199 in words is "eighty-five billion, four hundred fifty-one million, nine hundred forty-eight thousand, one hundred ninety-nine".