826411773231 has 16 divisors (see below), whose sum is σ = 1335614987520. Its totient is φ = 500855619960.

The previous prime is 826411773227. The next prime is 826411773263. The reversal of 826411773231 is 132377114628.

It is not a de Polignac number, because 826411773231 - 2² = 826411773227 is a prime.

It is a super-2 number, since 2×826411773231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826411773431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391265315 + ... + 1391265908.

It is an arithmetic number, because the mean of its divisors is an integer number (83475936720).

Almost surely, 2^826411773231 is an apocalyptic number.

826411773231 is a deficient number, since it is larger than the sum of its proper divisors (509203214289).

826411773231 is a wasteful number, since it uses less digits than its factorization.

826411773231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782531243 (or 2782531237 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

Adding to 826411773231 its reverse (132377114628), we get a palindrome (958788887859).

The spelling of 826411773231 in words is "eight hundred twenty-six billion, four hundred eleven million, seven hundred seventy-three thousand, two hundred thirty-one".