116677894549 has 2 divisors, whose sum is σ = 116677894550. Its totient is φ = 116677894548.

The previous prime is 116677894511. The next prime is 116677894583. The reversal of 116677894549 is 945498776611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115909607025 + 768287524 = 340455^2 + 27718^2 .

It is a cyclic number.

It is not a de Polignac number, because 116677894549 - 2⁹ = 116677894037 is a prime.

It is a super-2 number, since 2×116677894549² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116677894349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58338947274 + 58338947275.

It is an arithmetic number, because the mean of its divisors is an integer number (58338947275).

Almost surely, 2^116677894549 is an apocalyptic number.

It is an amenable number.

116677894549 is a deficient number, since it is larger than the sum of its proper divisors (1).

116677894549 is an equidigital number, since it uses as much as digits as its factorization.

116677894549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 67.

The spelling of 116677894549 in words is "one hundred sixteen billion, six hundred seventy-seven million, eight hundred ninety-four thousand, five hundred forty-nine".