65896939 has 2 divisors, whose sum is σ = 65896940. Its totient is φ = 65896938.

The previous prime is 65896933. The next prime is 65896949. The reversal of 65896939 is 93969856.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65896939 - 2⁵ = 65896907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65896939.

It is not a weakly prime, because it can be changed into another prime (65896933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32948469 + 32948470.

It is an arithmetic number, because the mean of its divisors is an integer number (32948470).

Almost surely, 2^65896939 is an apocalyptic number.

65896939 is a deficient number, since it is larger than the sum of its proper divisors (1).

65896939 is an equidigital number, since it uses as much as digits as its factorization.

65896939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3149280, while the sum is 55.

The square root of 65896939 is about 8117.6929604414. The cubic root of 65896939 is about 403.9135418524.

The spelling of 65896939 in words is "sixty-five million, eight hundred ninety-six thousand, nine hundred thirty-nine".