63278950179479 has 2 divisors, whose sum is σ = 63278950179480. Its totient is φ = 63278950179478.

The previous prime is 63278950179443. The next prime is 63278950179517. The reversal of 63278950179479 is 97497105987236.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63278950179479 is a prime.

It is a super-2 number, since 2×63278950179479² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63278950176479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31639475089739 + 31639475089740.

It is an arithmetic number, because the mean of its divisors is an integer number (31639475089740).

It is a 1-persistent number, because it is pandigital, but 2⋅63278950179479 = 126557900358958 is not.

Almost surely, 2^{63278950179479} is an apocalyptic number.

63278950179479 is a deficient number, since it is larger than the sum of its proper divisors (1).

63278950179479 is an equidigital number, since it uses as much as digits as its factorization.

63278950179479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440270720, while the sum is 77.

The spelling of 63278950179479 in words is "sixty-three trillion, two hundred seventy-eight billion, nine hundred fifty million, one hundred seventy-nine thousand, four hundred seventy-nine".