32782507861 has 2 divisors, whose sum is σ = 32782507862. Its totient is φ = 32782507860.

The previous prime is 32782507817. The next prime is 32782507909. The reversal of 32782507861 is 16870528723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29465439025 + 3317068836 = 171655^2 + 57594^2 .

It is a cyclic number.

It is not a de Polignac number, because 32782507861 - 2⁷ = 32782507733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32782507561) 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 as a sum of consecutive naturals, namely, 16391253930 + 16391253931.

It is an arithmetic number, because the mean of its divisors is an integer number (16391253931).

Almost surely, 2^32782507861 is an apocalyptic number.

It is an amenable number.

32782507861 is a deficient number, since it is larger than the sum of its proper divisors (1).

32782507861 is an equidigital number, since it uses as much as digits as its factorization.

32782507861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 32782507861 in words is "thirty-two billion, seven hundred eighty-two million, five hundred seven thousand, eight hundred sixty-one".