63876139 has 2 divisors, whose sum is σ = 63876140. Its totient is φ = 63876138.

The previous prime is 63876133. The next prime is 63876179. The reversal of 63876139 is 93167836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63876139 - 2¹⁷ = 63745067 is a prime.

It is a super-2 number, since 2×63876139² = 8160322267094642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63876095 and 63876104.

It is not a weakly prime, because it can be changed into another prime (63876133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31938069 + 31938070.

It is an arithmetic number, because the mean of its divisors is an integer number (31938070).

Almost surely, 2^63876139 is an apocalyptic number.

63876139 is a deficient number, since it is larger than the sum of its proper divisors (1).

63876139 is an equidigital number, since it uses as much as digits as its factorization.

63876139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 63876139 is about 7992.2549383763. The cubic root of 63876139 is about 399.7417896043.

The spelling of 63876139 in words is "sixty-three million, eight hundred seventy-six thousand, one hundred thirty-nine".