65820467 has 2 divisors, whose sum is σ = 65820468. Its totient is φ = 65820466.

The previous prime is 65820449. The next prime is 65820473. The reversal of 65820467 is 76402856.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65820467 - 2¹⁰ = 65819443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65820467.

It is not a weakly prime, because it can be changed into another prime (65820407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32910233 + 32910234.

It is an arithmetic number, because the mean of its divisors is an integer number (32910234).

Almost surely, 2^65820467 is an apocalyptic number.

65820467 is a deficient number, since it is larger than the sum of its proper divisors (1).

65820467 is an equidigital number, since it uses as much as digits as its factorization.

65820467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 65820467 is about 8112.9813878746. The cubic root of 65820467 is about 403.7572370079.

The spelling of 65820467 in words is "sixty-five million, eight hundred twenty thousand, four hundred sixty-seven".