63876256373 has 2 divisors, whose sum is σ = 63876256374. Its totient is φ = 63876256372.

The previous prime is 63876256363. The next prime is 63876256447. The reversal of 63876256373 is 37365267836.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59493551569 + 4382704804 = 243913^2 + 66202^2 .

It is a cyclic number.

It is not a de Polignac number, because 63876256373 - 2⁶ = 63876256309 is a prime.

It is a super-2 number, since 2×63876256373² (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 (63876256363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31938128186 + 31938128187.

It is an arithmetic number, because the mean of its divisors is an integer number (31938128187).

Almost surely, 2^63876256373 is an apocalyptic number.

It is an amenable number.

63876256373 is a deficient number, since it is larger than the sum of its proper divisors (1).

63876256373 is an equidigital number, since it uses as much as digits as its factorization.

63876256373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 56.

The spelling of 63876256373 in words is "sixty-three billion, eight hundred seventy-six million, two hundred fifty-six thousand, three hundred seventy-three".