63876257 has 2 divisors, whose sum is σ = 63876258. Its totient is φ = 63876256.

The previous prime is 63876247. The next prime is 63876269. The reversal of 63876257 is 75267836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 6964321 = 7544^2 + 2639^2 .

It is a cyclic number.

It is not a de Polignac number, because 63876257 - 2⁶ = 63876193 is a prime.

It is not a weakly prime, because it can be changed into another prime (63876217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31938128 + 31938129.

It is an arithmetic number, because the mean of its divisors is an integer number (31938129).

Almost surely, 2^63876257 is an apocalyptic number.

It is an amenable number.

63876257 is a deficient number, since it is larger than the sum of its proper divisors (1).

63876257 is an equidigital number, since it uses as much as digits as its factorization.

63876257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 63876257 is about 7992.2623205198. The cubic root of 63876257 is about 399.7420357552.

The spelling of 63876257 in words is "sixty-three million, eight hundred seventy-six thousand, two hundred fifty-seven".