64346783 has 2 divisors, whose sum is σ = 64346784. Its totient is φ = 64346782.

The previous prime is 64346747. The next prime is 64346813. The reversal of 64346783 is 38764346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64346783 - 2¹⁸ = 64084639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64346783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64346983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32173391 + 32173392.

It is an arithmetic number, because the mean of its divisors is an integer number (32173392).

Almost surely, 2^64346783 is an apocalyptic number.

64346783 is a deficient number, since it is larger than the sum of its proper divisors (1).

64346783 is an equidigital number, since it uses as much as digits as its factorization.

64346783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 41.

The square root of 64346783 is about 8021.6446568020. The cubic root of 64346783 is about 400.7211636096.

The spelling of 64346783 in words is "sixty-four million, three hundred forty-six thousand, seven hundred eighty-three".