107863979 has 2 divisors, whose sum is σ = 107863980. Its totient is φ = 107863978.

The previous prime is 107863939. The next prime is 107863999. The reversal of 107863979 is 979368701.

It is a strong prime.

It is an emirp because it is prime and its reverse (979368701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107863979 is a prime.

It is not a weakly prime, because it can be changed into another prime (107863939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53931989 + 53931990.

It is an arithmetic number, because the mean of its divisors is an integer number (53931990).

Almost surely, 2^107863979 is an apocalyptic number.

107863979 is a deficient number, since it is larger than the sum of its proper divisors (1).

107863979 is an equidigital number, since it uses as much as digits as its factorization.

107863979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 107863979 is about 10385.7584701359. The cubic root of 107863979 is about 476.0203057858.

The spelling of 107863979 in words is "one hundred seven million, eight hundred sixty-three thousand, nine hundred seventy-nine".