83898626597 has 2 divisors, whose sum is σ = 83898626598. Its totient is φ = 83898626596.

The previous prime is 83898626573. The next prime is 83898626683. The reversal of 83898626597 is 79562689838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65140311076 + 18758315521 = 255226^2 + 136961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83898626597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83898626597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83898626527) 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, 41949313298 + 41949313299.

It is an arithmetic number, because the mean of its divisors is an integer number (41949313299).

Almost surely, 2^83898626597 is an apocalyptic number.

It is an amenable number.

83898626597 is a deficient number, since it is larger than the sum of its proper divisors (1).

83898626597 is an equidigital number, since it uses as much as digits as its factorization.

83898626597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 313528320, while the sum is 71.

The spelling of 83898626597 in words is "eighty-three billion, eight hundred ninety-eight million, six hundred twenty-six thousand, five hundred ninety-seven".