993272977 has 2 divisors, whose sum is σ = 993272978. Its totient is φ = 993272976.

The previous prime is 993272927. The next prime is 993272983. The reversal of 993272977 is 779272399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 591511041 + 401761936 = 24321^2 + 20044^2 .

It is a cyclic number.

It is not a de Polignac number, because 993272977 - 2⁷ = 993272849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (993272927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496636488 + 496636489.

It is an arithmetic number, because the mean of its divisors is an integer number (496636489).

Almost surely, 2^993272977 is an apocalyptic number.

It is an amenable number.

993272977 is a deficient number, since it is larger than the sum of its proper divisors (1).

993272977 is an equidigital number, since it uses as much as digits as its factorization.

993272977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000564, while the sum is 55.

The square root of 993272977 is about 31516.2335471737. The cubic root of 993272977 is about 997.7526120310.

The spelling of 993272977 in words is "nine hundred ninety-three million, two hundred seventy-two thousand, nine hundred seventy-seven".