64377283 has 4 divisors (see below), whose sum is σ = 68164200. Its totient is φ = 60590368.

The previous prime is 64377281. The next prime is 64377307. The reversal of 64377283 is 38277346.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38277346 = 2 ⋅19138673.

It is a cyclic number.

It is not a de Polignac number, because 64377283 - 2¹ = 64377281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64377281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893433 + ... + 1893466.

It is an arithmetic number, because the mean of its divisors is an integer number (17041050).

Almost surely, 2^64377283 is an apocalyptic number.

64377283 is a deficient number, since it is larger than the sum of its proper divisors (3786917).

64377283 is a wasteful number, since it uses less digits than its factorization.

64377283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786916.

The product of its digits is 169344, while the sum is 40.

The square root of 64377283 is about 8023.5455379776. The cubic root of 64377283 is about 400.7844667740.

The spelling of 64377283 in words is "sixty-four million, three hundred seventy-seven thousand, two hundred eighty-three".