63461777752 has 16 divisors (see below), whose sum is σ = 119001589200. Its totient is φ = 31728020640.

The previous prime is 63461777747. The next prime is 63461777761. The reversal of 63461777752 is 25777716436.

It is a junction number, because it is equal to n+sod(n) for n = 63461777693 and 63461777702.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 262999 + ... + 442822.

It is an arithmetic number, because the mean of its divisors is an integer number (7437599325).

Almost surely, 2^63461777752 is an apocalyptic number.

It is an amenable number.

63461777752 is a deficient number, since it is larger than the sum of its proper divisors (55539811448).

63461777752 is a wasteful number, since it uses less digits than its factorization.

63461777752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717066 (or 717062 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 55.

The spelling of 63461777752 in words is "sixty-three billion, four hundred sixty-one million, seven hundred seventy-seven thousand, seven hundred fifty-two".