855289753 has 4 divisors (see below), whose sum is σ = 892476288. Its totient is φ = 818103220.

The previous prime is 855289741. The next prime is 855289759. The reversal of 855289753 is 357982558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 357982558 = 2 ⋅178991279.

It is a cyclic number.

It is not a de Polignac number, because 855289753 - 2⁹ = 855289241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 855289753.

It is not an unprimeable number, because it can be changed into a prime (855289759) 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, 18593233 + ... + 18593278.

It is an arithmetic number, because the mean of its divisors is an integer number (223119072).

Almost surely, 2^855289753 is an apocalyptic number.

It is an amenable number.

855289753 is a deficient number, since it is larger than the sum of its proper divisors (37186535).

855289753 is a wasteful number, since it uses less digits than its factorization.

855289753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37186534.

The product of its digits is 3024000, while the sum is 52.

The square root of 855289753 is about 29245.3372864804. The cubic root of 855289753 is about 949.2292004365.

The spelling of 855289753 in words is "eight hundred fifty-five million, two hundred eighty-nine thousand, seven hundred fifty-three".