63379889 has 2 divisors, whose sum is σ = 63379890. Its totient is φ = 63379888.

The previous prime is 63379871. The next prime is 63379907. The reversal of 63379889 is 98897336.

It is a balanced prime because it is at equal distance from previous prime (63379871) and next prime (63379907).

It can be written as a sum of positive squares in only one way, i.e., 47499664 + 15880225 = 6892^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 63379889 - 2⁸ = 63379633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63379889.

It is not a weakly prime, because it can be changed into another prime (63379289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31689944 + 31689945.

It is an arithmetic number, because the mean of its divisors is an integer number (31689945).

Almost surely, 2^63379889 is an apocalyptic number.

It is an amenable number.

63379889 is a deficient number, since it is larger than the sum of its proper divisors (1).

63379889 is an equidigital number, since it uses as much as digits as its factorization.

63379889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 63379889 is about 7961.1487236454. The cubic root of 63379889 is about 398.7039069765.

The spelling of 63379889 in words is "sixty-three million, three hundred seventy-nine thousand, eight hundred eighty-nine".