64794889 has 4 divisors (see below), whose sum is σ = 64832256. Its totient is φ = 64757524.

The previous prime is 64794869. The next prime is 64794911. The reversal of 64794889 is 98849746.

64794889 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.

It is a cyclic number.

It is not a de Polignac number, because 64794889 - 2⁷ = 64794761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64794859) 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, 15949 + ... + 19594.

It is an arithmetic number, because the mean of its divisors is an integer number (16208064).

Almost surely, 2^64794889 is an apocalyptic number.

It is an amenable number.

64794889 is a deficient number, since it is larger than the sum of its proper divisors (37367).

64794889 is a wasteful number, since it uses less digits than its factorization.

64794889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37366.

The product of its digits is 3483648, while the sum is 55.

The square root of 64794889 is about 8049.5272531994. The cubic root of 64794889 is about 401.6492096735.

The spelling of 64794889 in words is "sixty-four million, seven hundred ninety-four thousand, eight hundred eighty-nine".