64779353 has 2 divisors, whose sum is σ = 64779354. Its totient is φ = 64779352.

The previous prime is 64779347. The next prime is 64779373. The reversal of 64779353 is 35397746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63234304 + 1545049 = 7952^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 64779353 - 2⁸ = 64779097 is a prime.

It is not a weakly prime, because it can be changed into another prime (64779373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32389676 + 32389677.

It is an arithmetic number, because the mean of its divisors is an integer number (32389677).

Almost surely, 2^64779353 is an apocalyptic number.

It is an amenable number.

64779353 is a deficient number, since it is larger than the sum of its proper divisors (1).

64779353 is an equidigital number, since it uses as much as digits as its factorization.

64779353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 44.

The square root of 64779353 is about 8048.5621697294. The cubic root of 64779353 is about 401.6171056963.

The spelling of 64779353 in words is "sixty-four million, seven hundred seventy-nine thousand, three hundred fifty-three".