9970677377 has 2 divisors, whose sum is σ = 9970677378. Its totient is φ = 9970677376.

The previous prime is 9970677359. The next prime is 9970677389. The reversal of 9970677377 is 7737760799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7684976896 + 2285700481 = 87664^2 + 47809^2 .

It is a cyclic number.

It is not a de Polignac number, because 9970677377 - 2⁸ = 9970677121 is a prime.

It is not a weakly prime, because it can be changed into another prime (9970677317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4985338688 + 4985338689.

It is an arithmetic number, because the mean of its divisors is an integer number (4985338689).

Almost surely, 2^9970677377 is an apocalyptic number.

It is an amenable number.

9970677377 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970677377 is an equidigital number, since it uses as much as digits as its factorization.

9970677377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24504606, while the sum is 62.

The square root of 9970677377 is about 99853.2792501078. The cubic root of 9970677377 is about 2152.3268392238.

The spelling of 9970677377 in words is "nine billion, nine hundred seventy million, six hundred seventy-seven thousand, three hundred seventy-seven".