970776641 has 2 divisors, whose sum is σ = 970776642. Its totient is φ = 970776640.

The previous prime is 970776593. The next prime is 970776689. The reversal of 970776641 is 146677079.

It is a balanced prime because it is at equal distance from previous prime (970776593) and next prime (970776689).

It can be written as a sum of positive squares in only one way, i.e., 932386225 + 38390416 = 30535^2 + 6196^2 .

It is an emirp because it is prime and its reverse (146677079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 970776641 - 2⁶ = 970776577 is a prime.

It is a super-2 number, since 2×970776641² = 1884814573422485762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (970770641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485388320 + 485388321.

It is an arithmetic number, because the mean of its divisors is an integer number (485388321).

Almost surely, 2^970776641 is an apocalyptic number.

It is an amenable number.

970776641 is a deficient number, since it is larger than the sum of its proper divisors (1).

970776641 is an equidigital number, since it uses as much as digits as its factorization.

970776641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 970776641 is about 31157.2887299264. The cubic root of 970776641 is about 990.1624197009.

The spelling of 970776641 in words is "nine hundred seventy million, seven hundred seventy-six thousand, six hundred forty-one".