107677681 has 4 divisors (see below), whose sum is σ = 108400500. Its totient is φ = 106954864.

The previous prime is 107677679. The next prime is 107677699. The reversal of 107677681 is 186776701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 186776701 = 97 ⋅1925533.

It can be written as a sum of positive squares in 2 ways, for example, as 70711281 + 36966400 = 8409^2 + 6080^2 .

It is a cyclic number.

It is not a de Polignac number, because 107677681 - 2¹ = 107677679 is a prime.

It is a super-2 number, since 2×107677681² = 23188965971075522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107677781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361186 + ... + 361483.

It is an arithmetic number, because the mean of its divisors is an integer number (27100125).

Almost surely, 2^107677681 is an apocalyptic number.

It is an amenable number.

107677681 is a deficient number, since it is larger than the sum of its proper divisors (722819).

107677681 is an equidigital number, since it uses as much as digits as its factorization.

107677681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722818.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 107677681 is about 10376.7856776557. The cubic root of 107677681 is about 475.7460939606.

The spelling of 107677681 in words is "one hundred seven million, six hundred seventy-seven thousand, six hundred eighty-one".