107955989 has 2 divisors, whose sum is σ = 107955990. Its totient is φ = 107955988.

The previous prime is 107955983. The next prime is 107956003. The reversal of 107955989 is 989559701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58140625 + 49815364 = 7625^2 + 7058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107955989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 107955989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107955983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53977994 + 53977995.

It is an arithmetic number, because the mean of its divisors is an integer number (53977995).

Almost surely, 2^107955989 is an apocalyptic number.

It is an amenable number.

107955989 is a deficient number, since it is larger than the sum of its proper divisors (1).

107955989 is an equidigital number, since it uses as much as digits as its factorization.

107955989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 53.

The square root of 107955989 is about 10390.1871494213. The cubic root of 107955989 is about 476.1556187388.

The spelling of 107955989 in words is "one hundred seven million, nine hundred fifty-five thousand, nine hundred eighty-nine".