64797611 has 4 divisors (see below), whose sum is σ = 65080800. Its totient is φ = 64514424.

The previous prime is 64797599. The next prime is 64797613. The reversal of 64797611 is 11679746.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64797611 - 2⁶ = 64797547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64797613) 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, 141251 + ... + 141708.

It is an arithmetic number, because the mean of its divisors is an integer number (16270200).

Almost surely, 2^64797611 is an apocalyptic number.

64797611 is a deficient number, since it is larger than the sum of its proper divisors (283189).

64797611 is a wasteful number, since it uses less digits than its factorization.

64797611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283188.

The product of its digits is 63504, while the sum is 41.

The square root of 64797611 is about 8049.6963296760. The cubic root of 64797611 is about 401.6548339537.

The spelling of 64797611 in words is "sixty-four million, seven hundred ninety-seven thousand, six hundred eleven".