63467977471 has 2 divisors, whose sum is σ = 63467977472. Its totient is φ = 63467977470.

The previous prime is 63467977459. The next prime is 63467977513. The reversal of 63467977471 is 17477976436.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63467977471 - 2⁵ = 63467977439 is a prime.

It is a super-3 number, since 3×63467977471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63467977411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31733988735 + 31733988736.

It is an arithmetic number, because the mean of its divisors is an integer number (31733988736).

Almost surely, 2^63467977471 is an apocalyptic number.

63467977471 is a deficient number, since it is larger than the sum of its proper divisors (1).

63467977471 is an equidigital number, since it uses as much as digits as its factorization.

63467977471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37340352, while the sum is 61.

The spelling of 63467977471 in words is "sixty-three billion, four hundred sixty-seven million, nine hundred seventy-seven thousand, four hundred seventy-one".