64834577 has 4 divisors (see below), whose sum is σ = 65222976. Its totient is φ = 64446180.

The previous prime is 64834559. The next prime is 64834597. The reversal of 64834577 is 77543846.

64834577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77543846 = 2 ⋅38771923.

It is a cyclic number.

It is not a de Polignac number, because 64834577 - 2⁶ = 64834513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64834597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193949 + ... + 194282.

It is an arithmetic number, because the mean of its divisors is an integer number (16305744).

Almost surely, 2^64834577 is an apocalyptic number.

It is an amenable number.

64834577 is a deficient number, since it is larger than the sum of its proper divisors (388399).

64834577 is a wasteful number, since it uses less digits than its factorization.

64834577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388398.

The product of its digits is 564480, while the sum is 44.

The square root of 64834577 is about 8051.9921137567. The cubic root of 64834577 is about 401.7311986521.

The spelling of 64834577 in words is "sixty-four million, eight hundred thirty-four thousand, five hundred seventy-seven".