65875477 has 2 divisors, whose sum is σ = 65875478. Its totient is φ = 65875476.

The previous prime is 65875463. The next prime is 65875507. The reversal of 65875477 is 77457856.

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., 65431921 + 443556 = 8089^2 + 666^2 .

It is a cyclic number.

It is not a de Polignac number, because 65875477 - 2¹⁹ = 65351189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65875477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65875417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32937738 + 32937739.

It is an arithmetic number, because the mean of its divisors is an integer number (32937739).

Almost surely, 2^65875477 is an apocalyptic number.

It is an amenable number.

65875477 is a deficient number, since it is larger than the sum of its proper divisors (1).

65875477 is an equidigital number, since it uses as much as digits as its factorization.

65875477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1646400, while the sum is 49.

The square root of 65875477 is about 8116.3709254814. The cubic root of 65875477 is about 403.8696868375.

The spelling of 65875477 in words is "sixty-five million, eight hundred seventy-five thousand, four hundred seventy-seven".