84266606597 has 2 divisors, whose sum is σ = 84266606598. Its totient is φ = 84266606596.

The previous prime is 84266606551. The next prime is 84266606617. The reversal of 84266606597 is 79560666248.

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., 71051034916 + 13215571681 = 266554^2 + 114959^2 .

It is a cyclic number.

It is not a de Polignac number, because 84266606597 - 2¹⁰ = 84266605573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84266606297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42133303298 + 42133303299.

It is an arithmetic number, because the mean of its divisors is an integer number (42133303299).

Almost surely, 2^84266606597 is an apocalyptic number.

It is an amenable number.

84266606597 is a deficient number, since it is larger than the sum of its proper divisors (1).

84266606597 is an equidigital number, since it uses as much as digits as its factorization.

84266606597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 84266606597 in words is "eighty-four billion, two hundred sixty-six million, six hundred six thousand, five hundred ninety-seven".