107684891688877 has 2 divisors, whose sum is σ = 107684891688878. Its totient is φ = 107684891688876.

The previous prime is 107684891688839. The next prime is 107684891688967. The reversal of 107684891688877 is 778886198486701.

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., 102489929360361 + 5194962328516 = 10123731^2 + 2279246^2 .

It is an emirp because it is prime and its reverse (778886198486701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107684891688877 - 2¹⁵ = 107684891656109 is a prime.

It is a super-2 number, since 2×107684891688877² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107684891688817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53842445844438 + 53842445844439.

It is an arithmetic number, because the mean of its divisors is an integer number (53842445844439).

Almost surely, 2^{107684891688877} is an apocalyptic number.

It is an amenable number.

107684891688877 is a deficient number, since it is larger than the sum of its proper divisors (1).

107684891688877 is an equidigital number, since it uses as much as digits as its factorization.

107684891688877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14566293504, while the sum is 88.

The spelling of 107684891688877 in words is "one hundred seven trillion, six hundred eighty-four billion, eight hundred ninety-one million, six hundred eighty-eight thousand, eight hundred seventy-seven".