63625867783 has 2 divisors, whose sum is σ = 63625867784. Its totient is φ = 63625867782.

The previous prime is 63625867733. The next prime is 63625867807. The reversal of 63625867783 is 38776852636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63625867783 - 2³³ = 55035933191 is a prime.

It is a super-2 number, since 2×63625867783² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63625867703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31812933891 + 31812933892.

It is an arithmetic number, because the mean of its divisors is an integer number (31812933892).

Almost surely, 2^63625867783 is an apocalyptic number.

63625867783 is a deficient number, since it is larger than the sum of its proper divisors (1).

63625867783 is an equidigital number, since it uses as much as digits as its factorization.

63625867783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 61.

The spelling of 63625867783 in words is "sixty-three billion, six hundred twenty-five million, eight hundred sixty-seven thousand, seven hundred eighty-three".