827259077431 has 2 divisors, whose sum is σ = 827259077432. Its totient is φ = 827259077430.

The previous prime is 827259077401. The next prime is 827259077461. The reversal of 827259077431 is 134770952728.

It is a balanced prime because it is at equal distance from previous prime (827259077401) and next prime (827259077461).

It is a cyclic number.

It is not a de Polignac number, because 827259077431 - 2²⁷ = 827124859703 is a prime.

It is a super-2 number, since 2×827259077431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827259077401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413629538715 + 413629538716.

It is an arithmetic number, because the mean of its divisors is an integer number (413629538716).

Almost surely, 2^827259077431 is an apocalyptic number.

827259077431 is a deficient number, since it is larger than the sum of its proper divisors (1).

827259077431 is an equidigital number, since it uses as much as digits as its factorization.

827259077431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 827259077431 in words is "eight hundred twenty-seven billion, two hundred fifty-nine million, seventy-seven thousand, four hundred thirty-one".