82507426577 has 2 divisors, whose sum is σ = 82507426578. Its totient is φ = 82507426576.

The previous prime is 82507426439. The next prime is 82507426657. The reversal of 82507426577 is 77562470528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82501647361 + 5779216 = 287231^2 + 2404^2 .

It is a cyclic number.

It is not a de Polignac number, because 82507426577 - 2¹⁸ = 82507164433 is a prime.

It is not a weakly prime, because it can be changed into another prime (82507426877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41253713288 + 41253713289.

It is an arithmetic number, because the mean of its divisors is an integer number (41253713289).

Almost surely, 2^82507426577 is an apocalyptic number.

It is an amenable number.

82507426577 is a deficient number, since it is larger than the sum of its proper divisors (1).

82507426577 is an equidigital number, since it uses as much as digits as its factorization.

82507426577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 82507426577 in words is "eighty-two billion, five hundred seven million, four hundred twenty-six thousand, five hundred seventy-seven".