63779225444 has 48 divisors (see below), whose sum is σ = 126612097920. Its totient is φ = 27845744640.

The previous prime is 63779225417. The next prime is 63779225467. The reversal of 63779225444 is 44452297736.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116777 + ... + 375759.

It is an arithmetic number, because the mean of its divisors is an integer number (2637752040).

Almost surely, 2^63779225444 is an apocalyptic number.

It is an amenable number.

63779225444 is a deficient number, since it is larger than the sum of its proper divisors (62832872476).

63779225444 is a wasteful number, since it uses less digits than its factorization.

63779225444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259220 (or 259218 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 53.

The spelling of 63779225444 in words is "sixty-three billion, seven hundred seventy-nine million, two hundred twenty-five thousand, four hundred forty-four".