63426688772 has 12 divisors (see below), whose sum is σ = 111052806480. Its totient is φ = 31697315496.

The previous prime is 63426688753. The next prime is 63426688777. The reversal of 63426688772 is 27788662436.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63426688777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3998318 + ... + 4014149.

It is an arithmetic number, because the mean of its divisors is an integer number (9254400540).

Almost surely, 2^63426688772 is an apocalyptic number.

It is an amenable number.

63426688772 is a deficient number, since it is larger than the sum of its proper divisors (47626117708).

63426688772 is a wasteful number, since it uses less digits than its factorization.

63426688772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014450 (or 8014448 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 59.

The spelling of 63426688772 in words is "sixty-three billion, four hundred twenty-six million, six hundred eighty-eight thousand, seven hundred seventy-two".