64677383 has 2 divisors, whose sum is σ = 64677384. Its totient is φ = 64677382.

The previous prime is 64677373. The next prime is 64677409. The reversal of 64677383 is 38377646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64677383 - 2¹⁶ = 64611847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64677373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32338691 + 32338692.

It is an arithmetic number, because the mean of its divisors is an integer number (32338692).

Almost surely, 2^64677383 is an apocalyptic number.

64677383 is a deficient number, since it is larger than the sum of its proper divisors (1).

64677383 is an equidigital number, since it uses as much as digits as its factorization.

64677383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 44.

The square root of 64677383 is about 8042.2250030697. The cubic root of 64677383 is about 401.4062648376.

The spelling of 64677383 in words is "sixty-four million, six hundred seventy-seven thousand, three hundred eighty-three".