63078877489 has 2 divisors, whose sum is σ = 63078877490. Its totient is φ = 63078877488.

The previous prime is 63078877439. The next prime is 63078877501. The reversal of 63078877489 is 98477887036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49469321889 + 13609555600 = 222417^2 + 116660^2 .

It is a cyclic number.

It is not a de Polignac number, because 63078877489 - 2¹⁵ = 63078844721 is a prime.

It is not a weakly prime, because it can be changed into another prime (63078877439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31539438744 + 31539438745.

It is an arithmetic number, because the mean of its divisors is an integer number (31539438745).

Almost surely, 2^63078877489 is an apocalyptic number.

It is an amenable number.

63078877489 is a deficient number, since it is larger than the sum of its proper divisors (1).

63078877489 is an equidigital number, since it uses as much as digits as its factorization.

63078877489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113799168, while the sum is 67.

The spelling of 63078877489 in words is "sixty-three billion, seventy-eight million, eight hundred seventy-seven thousand, four hundred eighty-nine".