976647097 has 2 divisors, whose sum is σ = 976647098. Its totient is φ = 976647096.

The previous prime is 976647083. The next prime is 976647109. The reversal of 976647097 is 790746679.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 952401321 + 24245776 = 30861^2 + 4924^2 .

It is an emirp because it is prime and its reverse (790746679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 976647097 - 2¹⁹ = 976122809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (976647037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488323548 + 488323549.

It is an arithmetic number, because the mean of its divisors is an integer number (488323549).

Almost surely, 2^976647097 is an apocalyptic number.

It is an amenable number.

976647097 is a deficient number, since it is larger than the sum of its proper divisors (1).

976647097 is an equidigital number, since it uses as much as digits as its factorization.

976647097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The square root of 976647097 is about 31251.3535226876. The cubic root of 976647097 is about 992.1543050512.

The spelling of 976647097 in words is "nine hundred seventy-six million, six hundred forty-seven thousand, ninety-seven".