994898977 has 2 divisors, whose sum is σ = 994898978. Its totient is φ = 994898976.

The previous prime is 994898963. The next prime is 994899001. The reversal of 994898977 is 779898499.

It is a happy number.

994898977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 640292416 + 354606561 = 25304^2 + 18831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994898977 is a prime.

It is not a weakly prime, because it can be changed into another prime (994895977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497449488 + 497449489.

It is an arithmetic number, because the mean of its divisors is an integer number (497449489).

Almost surely, 2^994898977 is an apocalyptic number.

It is an amenable number.

994898977 is a deficient number, since it is larger than the sum of its proper divisors (1).

994898977 is an equidigital number, since it uses as much as digits as its factorization.

994898977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82301184, while the sum is 70.

The square root of 994898977 is about 31542.0192283246. The cubic root of 994898977 is about 998.2967596193.

The spelling of 994898977 in words is "nine hundred ninety-four million, eight hundred ninety-eight thousand, nine hundred seventy-seven".