855627459 has 32 divisors (see below), whose sum is σ = 1248597504. Its totient is φ = 519052800.

The previous prime is 855627449. The next prime is 855627463. The reversal of 855627459 is 954726558.

It is not a de Polignac number, because 855627459 - 2¹¹ = 855625411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (855627449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219562 + ... + 223424.

It is an arithmetic number, because the mean of its divisors is an integer number (39018672).

Almost surely, 2^855627459 is an apocalyptic number.

855627459 is a deficient number, since it is larger than the sum of its proper divisors (392970045).

855627459 is a wasteful number, since it uses less digits than its factorization.

855627459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027.

The product of its digits is 3024000, while the sum is 51.

The square root of 855627459 is about 29251.1103891801. The cubic root of 855627459 is about 949.3541164719.

Subtracting 855627459 from its reverse (954726558), we obtain a palindrome (99099099).

It can be divided in two parts, 855627 and 459, that added together give a triangular number (856086 = T₁₃₀₈).

The spelling of 855627459 in words is "eight hundred fifty-five million, six hundred twenty-seven thousand, four hundred fifty-nine".