9977912603 has 2 divisors, whose sum is σ = 9977912604. Its totient is φ = 9977912602.

The previous prime is 9977912599. The next prime is 9977912621. The reversal of 9977912603 is 3062197799.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3062197799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9977912603 - 2² = 9977912599 is a prime.

It is not a weakly prime, because it can be changed into another prime (9977912303) 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, 4988956301 + 4988956302.

It is an arithmetic number, because the mean of its divisors is an integer number (4988956302).

Almost surely, 2^9977912603 is an apocalyptic number.

9977912603 is a deficient number, since it is larger than the sum of its proper divisors (1).

9977912603 is an equidigital number, since it uses as much as digits as its factorization.

9977912603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 9977912603 is about 99889.5019659223. The cubic root of 9977912603 is about 2152.8473256224.

The spelling of 9977912603 in words is "nine billion, nine hundred seventy-seven million, nine hundred twelve thousand, six hundred three".