976478273 has 2 divisors, whose sum is σ = 976478274. Its totient is φ = 976478272.

The previous prime is 976478233. The next prime is 976478281. The reversal of 976478273 is 372874679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 785568784 + 190909489 = 28028^2 + 13817^2 .

It is an emirp because it is prime and its reverse (372874679) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-976478273 is a prime.

It is not a weakly prime, because it can be changed into another prime (976478233) 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, 488239136 + 488239137.

It is an arithmetic number, because the mean of its divisors is an integer number (488239137).

Almost surely, 2^976478273 is an apocalyptic number.

It is an amenable number.

976478273 is a deficient number, since it is larger than the sum of its proper divisors (1).

976478273 is an equidigital number, since it uses as much as digits as its factorization.

976478273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 53.

The square root of 976478273 is about 31248.6523389410. The cubic root of 976478273 is about 992.0971335607.

The spelling of 976478273 in words is "nine hundred seventy-six million, four hundred seventy-eight thousand, two hundred seventy-three".