83825871440677 has 2 divisors, whose sum is σ = 83825871440678. Its totient is φ = 83825871440676.

The previous prime is 83825871440543. The next prime is 83825871440687. The reversal of 83825871440677 is 77604417852838.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64954154023396 + 18871717417281 = 8059414^2 + 4344159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83825871440677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83825871440687) 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, 41912935720338 + 41912935720339.

It is an arithmetic number, because the mean of its divisors is an integer number (41912935720339).

Almost surely, 2^{83825871440677} is an apocalyptic number.

It is an amenable number.

83825871440677 is a deficient number, since it is larger than the sum of its proper divisors (1).

83825871440677 is an equidigital number, since it uses as much as digits as its factorization.

83825871440677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 505774080, while the sum is 70.

The spelling of 83825871440677 in words is "eighty-three trillion, eight hundred twenty-five billion, eight hundred seventy-one million, four hundred forty thousand, six hundred seventy-seven".