688679883011 has 2 divisors, whose sum is σ = 688679883012. Its totient is φ = 688679883010.

The previous prime is 688679882963. The next prime is 688679883041. The reversal of 688679883011 is 110388976886.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 688679883011 - 2¹⁴ = 688679866627 is a prime.

It is a super-2 number, since 2×688679883011² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (688679883041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344339941505 + 344339941506.

It is an arithmetic number, because the mean of its divisors is an integer number (344339941506).

Almost surely, 2^688679883011 is an apocalyptic number.

688679883011 is a deficient number, since it is larger than the sum of its proper divisors (1).

688679883011 is an equidigital number, since it uses as much as digits as its factorization.

688679883011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 65.

The spelling of 688679883011 in words is "six hundred eighty-eight billion, six hundred seventy-nine million, eight hundred eighty-three thousand, eleven".