9976105957 has 2 divisors, whose sum is σ = 9976105958. Its totient is φ = 9976105956.

The previous prime is 9976105949. The next prime is 9976105963. The reversal of 9976105957 is 7595016799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9857709796 + 118396161 = 99286^2 + 10881^2 .

It is a cyclic number.

It is not a de Polignac number, because 9976105957 - 2³ = 9976105949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9976105967) 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, 4988052978 + 4988052979.

It is an arithmetic number, because the mean of its divisors is an integer number (4988052979).

Almost surely, 2^9976105957 is an apocalyptic number.

It is an amenable number.

9976105957 is a deficient number, since it is larger than the sum of its proper divisors (1).

9976105957 is an equidigital number, since it uses as much as digits as its factorization.

9976105957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5358150, while the sum is 58.

The square root of 9976105957 is about 99880.4583339504. The cubic root of 9976105957 is about 2152.7173830204.

The spelling of 9976105957 in words is "nine billion, nine hundred seventy-six million, one hundred five thousand, nine hundred fifty-seven".