976811047 has 2 divisors, whose sum is σ = 976811048. Its totient is φ = 976811046.

The previous prime is 976811039. The next prime is 976811051. The reversal of 976811047 is 740118679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 976811047 - 2³ = 976811039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 976810994 and 976811012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (976811057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488405523 + 488405524.

It is an arithmetic number, because the mean of its divisors is an integer number (488405524).

Almost surely, 2^976811047 is an apocalyptic number.

976811047 is a deficient number, since it is larger than the sum of its proper divisors (1).

976811047 is an equidigital number, since it uses as much as digits as its factorization.

976811047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 976811047 is about 31253.9764989993. The cubic root of 976811047 is about 992.2098196779.

The spelling of 976811047 in words is "nine hundred seventy-six million, eight hundred eleven thousand, forty-seven".