970477811 has 2 divisors, whose sum is σ = 970477812. Its totient is φ = 970477810.

The previous prime is 970477789. The next prime is 970477813. The reversal of 970477811 is 118774079.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 970477811 - 2⁶ = 970477747 is a prime.

It is a Sophie Germain prime.

Together with 970477813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (970477813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485238905 + 485238906.

It is an arithmetic number, because the mean of its divisors is an integer number (485238906).

Almost surely, 2^970477811 is an apocalyptic number.

970477811 is a deficient number, since it is larger than the sum of its proper divisors (1).

970477811 is an equidigital number, since it uses as much as digits as its factorization.

970477811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 44.

The square root of 970477811 is about 31152.4928537027. The cubic root of 970477811 is about 990.0608101272.

The spelling of 970477811 in words is "nine hundred seventy million, four hundred seventy-seven thousand, eight hundred eleven".