64911796 has 24 divisors (see below), whose sum is σ = 118831104. Its totient is φ = 30967200.

The previous prime is 64911761. The next prime is 64911827. The reversal of 64911796 is 69711946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55821 + ... + 56971.

It is an arithmetic number, because the mean of its divisors is an integer number (4951296).

Almost surely, 2^64911796 is an apocalyptic number.

It is an amenable number.

64911796 is a deficient number, since it is larger than the sum of its proper divisors (53919308).

64911796 is a wasteful number, since it uses less digits than its factorization.

64911796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791 (or 1789 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 64911796 is about 8056.7857114360. The cubic root of 64911796 is about 401.8906247659.

The spelling of 64911796 in words is "sixty-four million, nine hundred eleven thousand, seven hundred ninety-six".