63427766011 has 12 divisors (see below), whose sum is σ = 67213730248. Its totient is φ = 59838904224.

The previous prime is 63427765937. The next prime is 63427766033. The reversal of 63427766011 is 11066772436.

It is not a de Polignac number, because 63427766011 - 2⁷ = 63427765883 is a prime.

It is a super-2 number, since 2×63427766011² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63427766041) 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, 782625 + ... + 859858.

Almost surely, 2^63427766011 is an apocalyptic number.

63427766011 is a deficient number, since it is larger than the sum of its proper divisors (3785964237).

63427766011 is a wasteful number, since it uses less digits than its factorization.

63427766011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642602 (or 1642579 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 63427766011 in words is "sixty-three billion, four hundred twenty-seven million, seven hundred sixty-six thousand, eleven".