65879167 has 2 divisors, whose sum is σ = 65879168. Its totient is φ = 65879166.

The previous prime is 65879161. The next prime is 65879171. The reversal of 65879167 is 76197856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65879167 - 2¹⁵ = 65846399 is a prime.

It is a super-2 number, since 2×65879167² = 8680129289227778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65879167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65879161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32939583 + 32939584.

It is an arithmetic number, because the mean of its divisors is an integer number (32939584).

Almost surely, 2^65879167 is an apocalyptic number.

65879167 is a deficient number, since it is larger than the sum of its proper divisors (1).

65879167 is an equidigital number, since it uses as much as digits as its factorization.

65879167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The square root of 65879167 is about 8116.5982406424. The cubic root of 65879167 is about 403.8772275865.

The spelling of 65879167 in words is "sixty-five million, eight hundred seventy-nine thousand, one hundred sixty-seven".