107777987 has 2 divisors, whose sum is σ = 107777988. Its totient is φ = 107777986.

The previous prime is 107777981. The next prime is 107777993. The reversal of 107777987 is 789777701.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (107777981) and next prime (107777993).

It is an emirp because it is prime and its reverse (789777701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107777987 - 2¹² = 107773891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (107777981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53888993 + 53888994.

It is an arithmetic number, because the mean of its divisors is an integer number (53888994).

Almost surely, 2^107777987 is an apocalyptic number.

107777987 is a deficient number, since it is larger than the sum of its proper divisors (1).

107777987 is an equidigital number, since it uses as much as digits as its factorization.

107777987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1210104, while the sum is 53.

The square root of 107777987 is about 10381.6177448411. The cubic root of 107777987 is about 475.8937735205.

The spelling of 107777987 in words is "one hundred seven million, seven hundred seventy-seven thousand, nine hundred eighty-seven".