855495499 has 4 divisors (see below), whose sum is σ = 883092160. Its totient is φ = 827898840.

The previous prime is 855495479. The next prime is 855495517. The reversal of 855495499 is 994594558.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 855495499 - 2⁷ = 855495371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855495439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13798284 + ... + 13798345.

It is an arithmetic number, because the mean of its divisors is an integer number (220773040).

Almost surely, 2^855495499 is an apocalyptic number.

855495499 is a deficient number, since it is larger than the sum of its proper divisors (27596661).

855495499 is a wasteful number, since it uses less digits than its factorization.

855495499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27596660.

The product of its digits is 11664000, while the sum is 58.

The square root of 855495499 is about 29248.8546613367. The cubic root of 855495499 is about 949.3053089335.

The spelling of 855495499 in words is "eight hundred fifty-five million, four hundred ninety-five thousand, four hundred ninety-nine".