977599008643 has 2 divisors, whose sum is σ = 977599008644. Its totient is φ = 977599008642.

The previous prime is 977599008641. The next prime is 977599008653. The reversal of 977599008643 is 346800995779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 977599008643 - 2¹ = 977599008641 is a prime.

Together with 977599008641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (977599008641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488799504321 + 488799504322.

It is an arithmetic number, because the mean of its divisors is an integer number (488799504322).

Almost surely, 2^977599008643 is an apocalyptic number.

977599008643 is a deficient number, since it is larger than the sum of its proper divisors (1).

977599008643 is an equidigital number, since it uses as much as digits as its factorization.

977599008643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 977599008643 in words is "nine hundred seventy-seven billion, five hundred ninety-nine million, eight thousand, six hundred forty-three".