10117222877 has 2 divisors, whose sum is σ = 10117222878. Its totient is φ = 10117222876.

The previous prime is 10117222873. The next prime is 10117222883. The reversal of 10117222877 is 77822271101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5717023321 + 4400199556 = 75611^2 + 66334^2 .

It is a cyclic number.

It is not a de Polignac number, because 10117222877 - 2² = 10117222873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10117222877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10117222873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5058611438 + 5058611439.

It is an arithmetic number, because the mean of its divisors is an integer number (5058611439).

Almost surely, 2^10117222877 is an apocalyptic number.

It is an amenable number.

10117222877 is a deficient number, since it is larger than the sum of its proper divisors (1).

10117222877 is an equidigital number, since it uses as much as digits as its factorization.

10117222877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 38.

Adding to 10117222877 its reverse (77822271101), we get a palindrome (87939493978).

The spelling of 10117222877 in words is "ten billion, one hundred seventeen million, two hundred twenty-two thousand, eight hundred seventy-seven".