825471259959 has 16 divisors (see below), whose sum is σ = 1124195853312. Its totient is φ = 538533542688.

The previous prime is 825471259891. The next prime is 825471259973. The reversal of 825471259959 is 959952174528.

It is not a de Polignac number, because 825471259959 - 2⁹ = 825471259447 is a prime.

It is a super-3 number, since 3×825471259959³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 825471259959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825471259979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681262 + ... + 1454324.

It is an arithmetic number, because the mean of its divisors is an integer number (70262240832).

Almost surely, 2^825471259959 is an apocalyptic number.

825471259959 is a deficient number, since it is larger than the sum of its proper divisors (298724593353).

825471259959 is a wasteful number, since it uses less digits than its factorization.

825471259959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780686.

The product of its digits is 81648000, while the sum is 66.

The spelling of 825471259959 in words is "eight hundred twenty-five billion, four hundred seventy-one million, two hundred fifty-nine thousand, nine hundred fifty-nine".