10988399677 has 2 divisors, whose sum is σ = 10988399678. Its totient is φ = 10988399676.

The previous prime is 10988399641. The next prime is 10988399759. The reversal of 10988399677 is 77699388901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9095627641 + 1892772036 = 95371^2 + 43506^2 .

It is an emirp because it is prime and its reverse (77699388901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10988399677 is a prime.

It is a super-2 number, since 2×10988399677² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10988399777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5494199838 + 5494199839.

It is an arithmetic number, because the mean of its divisors is an integer number (5494199839).

Almost surely, 2^10988399677 is an apocalyptic number.

It is an amenable number.

10988399677 is a deficient number, since it is larger than the sum of its proper divisors (1).

10988399677 is an equidigital number, since it uses as much as digits as its factorization.

10988399677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41150592, while the sum is 67.

The spelling of 10988399677 in words is "ten billion, nine hundred eighty-eight million, three hundred ninety-nine thousand, six hundred seventy-seven".