65902783 has 2 divisors, whose sum is σ = 65902784. Its totient is φ = 65902782.

The previous prime is 65902777. The next prime is 65902813. The reversal of 65902783 is 38720956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65902783 - 2²¹ = 63805631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65902763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32951391 + 32951392.

It is an arithmetic number, because the mean of its divisors is an integer number (32951392).

Almost surely, 2^65902783 is an apocalyptic number.

65902783 is a deficient number, since it is larger than the sum of its proper divisors (1).

65902783 is an equidigital number, since it uses as much as digits as its factorization.

65902783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 65902783 is about 8118.0529069476. The cubic root of 65902783 is about 403.9254817138.

The spelling of 65902783 in words is "sixty-five million, nine hundred two thousand, seven hundred eighty-three".