64804379 has 2 divisors, whose sum is σ = 64804380. Its totient is φ = 64804378.

The previous prime is 64804339. The next prime is 64804381. The reversal of 64804379 is 97340846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64804379 - 2²⁰ = 63755803 is a prime.

Together with 64804381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64804339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32402189 + 32402190.

It is an arithmetic number, because the mean of its divisors is an integer number (32402190).

Almost surely, 2^64804379 is an apocalyptic number.

64804379 is a deficient number, since it is larger than the sum of its proper divisors (1).

64804379 is an equidigital number, since it uses as much as digits as its factorization.

64804379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 64804379 is about 8050.1167072285. The cubic root of 64804379 is about 401.6688175211.

The spelling of 64804379 in words is "sixty-four million, eight hundred four thousand, three hundred seventy-nine".