107982194977 has 2 divisors, whose sum is σ = 107982194978. Its totient is φ = 107982194976.

The previous prime is 107982194953. The next prime is 107982194981. The reversal of 107982194977 is 779491289701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98193862881 + 9788332096 = 313359^2 + 98936^2 .

It is a cyclic number.

It is not a de Polignac number, because 107982194977 - 2⁷ = 107982194849 is a prime.

It is not a weakly prime, because it can be changed into another prime (107982194377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53991097488 + 53991097489.

It is an arithmetic number, because the mean of its divisors is an integer number (53991097489).

Almost surely, 2^107982194977 is an apocalyptic number.

It is an amenable number.

107982194977 is a deficient number, since it is larger than the sum of its proper divisors (1).

107982194977 is an equidigital number, since it uses as much as digits as its factorization.

107982194977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16003008, while the sum is 64.

The spelling of 107982194977 in words is "one hundred seven billion, nine hundred eighty-two million, one hundred ninety-four thousand, nine hundred seventy-seven".