63764427550 has 24 divisors (see below), whose sum is σ = 118612330200. Its totient is φ = 25503514080.

The previous prime is 63764427539. The next prime is 63764427553. The reversal of 63764427550 is 5572446736.

It is a junction number, because it is equal to n+sod(n) for n = 63764427494 and 63764427503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63764427553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586896 + ... + 687004.

It is an arithmetic number, because the mean of its divisors is an integer number (4942180425).

Almost surely, 2^63764427550 is an apocalyptic number.

63764427550 is a deficient number, since it is larger than the sum of its proper divisors (54847902650).

63764427550 is a wasteful number, since it uses less digits than its factorization.

63764427550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112860 (or 112855 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 63764427550 in words is "sixty-three billion, seven hundred sixty-four million, four hundred twenty-seven thousand, five hundred fifty".