65378976 has 48 divisors (see below), whose sum is σ = 184824864. Its totient is φ = 20116224.

The previous prime is 65378947. The next prime is 65378977. The reversal of 65378976 is 67987356.

65378976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (65378977) 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 7 ways as a sum of consecutive naturals, for example, 24946 + ... + 27441.

It is an arithmetic number, because the mean of its divisors is an integer number (3850518).

Almost surely, 2^65378976 is an apocalyptic number.

It is an amenable number.

65378976 is an abundant number, since it is smaller than the sum of its proper divisors (119445888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65378976 is a wasteful number, since it uses less digits than its factorization.

65378976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52413 (or 52405 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 65378976 is about 8085.7266834837. The cubic root of 65378976 is about 402.8524767544.

The spelling of 65378976 in words is "sixty-five million, three hundred seventy-eight thousand, nine hundred seventy-six".