63477180740 has 12 divisors (see below), whose sum is σ = 133302079596. Its totient is φ = 25390872288.

The previous prime is 63477180737. The next prime is 63477180749. The reversal of 63477180740 is 4708177436.

It can be written as a sum of positive squares in 2 ways, for example, as 11574317056 + 51902863684 = 107584^2 + 227822^2 .

It is not an unprimeable number, because it can be changed into a prime (63477180749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586929499 + ... + 1586929538.

It is an arithmetic number, because the mean of its divisors is an integer number (11108506633).

Almost surely, 2^63477180740 is an apocalyptic number.

It is an amenable number.

63477180740 is an abundant number, since it is smaller than the sum of its proper divisors (69824898856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63477180740 is a wasteful number, since it uses less digits than its factorization.

63477180740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173859046 (or 3173859044 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 63477180740 in words is "sixty-three billion, four hundred seventy-seven million, one hundred eighty thousand, seven hundred forty".