97880334206377 has 2 divisors, whose sum is σ = 97880334206378. Its totient is φ = 97880334206376.

The previous prime is 97880334206353. The next prime is 97880334206419. The reversal of 97880334206377 is 77360243308879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74416346973081 + 23463987233296 = 8626491^2 + 4843964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97880334206377 is a prime.

It is a super-2 number, since 2×97880334206377² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97880334209377) 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, 48940167103188 + 48940167103189.

It is an arithmetic number, because the mean of its divisors is an integer number (48940167103189).

Almost surely, 2^{97880334206377} is an apocalyptic number.

It is an amenable number.

97880334206377 is a deficient number, since it is larger than the sum of its proper divisors (1).

97880334206377 is an equidigital number, since it uses as much as digits as its factorization.

97880334206377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256048128, while the sum is 67.

The spelling of 97880334206377 in words is "ninety-seven trillion, eight hundred eighty billion, three hundred thirty-four million, two hundred six thousand, three hundred seventy-seven".