10001210977 has 2 divisors, whose sum is σ = 10001210978. Its totient is φ = 10001210976.

The previous prime is 10001210909. The next prime is 10001210983. The reversal of 10001210977 is 77901210001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9131904721 + 869306256 = 95561^2 + 29484^2 .

It is an emirp because it is prime and its reverse (77901210001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001210977 - 2²³ = 9992822369 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001210477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000605488 + 5000605489.

It is an arithmetic number, because the mean of its divisors is an integer number (5000605489).

Almost surely, 2^10001210977 is an apocalyptic number.

It is an amenable number.

10001210977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001210977 is an equidigital number, since it uses as much as digits as its factorization.

10001210977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 28.

Adding to 10001210977 its reverse (77901210001), we get a palindrome (87902420978).

The spelling of 10001210977 in words is "ten billion, one million, two hundred ten thousand, nine hundred seventy-seven".