63427786860068 has 6 divisors (see below), whose sum is σ = 110998627005126. Its totient is φ = 31713893430032.

The previous prime is 63427786860059. The next prime is 63427786860083. The reversal of 63427786860068 is 86006868772436.

It can be written as a sum of positive squares in only one way, i.e., 60882938773504 + 2544848086564 = 7802752^2 + 1595258^2 .

It is a super-2 number, since 2×63427786860068² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63427786859983 and 63427786860010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7928473357505 + ... + 7928473357512.

It is an arithmetic number, because the mean of its divisors is an integer number (18499771167521).

Almost surely, 2^{63427786860068} is an apocalyptic number.

It is an amenable number.

63427786860068 is a deficient number, since it is larger than the sum of its proper divisors (47570840145058).

63427786860068 is a wasteful number, since it uses less digits than its factorization.

63427786860068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15856946715021 (or 15856946715019 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 71.

The spelling of 63427786860068 in words is "sixty-three trillion, four hundred twenty-seven billion, seven hundred eighty-six million, eight hundred sixty thousand, sixty-eight".