726852855231 has 24 divisors (see below), whose sum is σ = 1078446705024. Its totient is φ = 471396697920.

The previous prime is 726852855229. The next prime is 726852855233. The reversal of 726852855231 is 132558258627.

It is a happy number.

726852855231 is a `hidden beast` number, since 7 + 2 + 6 + 8 + 52 + 8 + 552 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (726852855229) and next prime (726852855233).

It is not a de Polignac number, because 726852855231 - 2¹ = 726852855229 is a prime.

It is a super-2 number, since 2×726852855231² (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 (726852855233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1948801 + ... + 2291621.

It is an arithmetic number, because the mean of its divisors is an integer number (44935279376).

Almost surely, 2^726852855231 is an apocalyptic number.

726852855231 is a deficient number, since it is larger than the sum of its proper divisors (351593849793).

726852855231 is a wasteful number, since it uses less digits than its factorization.

726852855231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349231 (or 349228 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The spelling of 726852855231 in words is "seven hundred twenty-six billion, eight hundred fifty-two million, eight hundred fifty-five thousand, two hundred thirty-one".