83538448363897 has 2 divisors, whose sum is σ = 83538448363898. Its totient is φ = 83538448363896.

The previous prime is 83538448363889. The next prime is 83538448364029. The reversal of 83538448363897 is 79836384483538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79767476637696 + 3770971726201 = 8931264^2 + 1941899^2 .

It is a cyclic number.

It is not a de Polignac number, because 83538448363897 - 2³ = 83538448363889 is a prime.

It is a super-2 number, since 2×83538448363897² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83538448363847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41769224181948 + 41769224181949.

It is an arithmetic number, because the mean of its divisors is an integer number (41769224181949).

Almost surely, 2^{83538448363897} is an apocalyptic number.

It is an amenable number.

83538448363897 is a deficient number, since it is larger than the sum of its proper divisors (1).

83538448363897 is an equidigital number, since it uses as much as digits as its factorization.

83538448363897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10032906240, while the sum is 79.

The spelling of 83538448363897 in words is "eighty-three trillion, five hundred thirty-eight billion, four hundred forty-eight million, three hundred sixty-three thousand, eight hundred ninety-seven".