65775835024 has 45 divisors (see below), whose sum is σ = 128963149011. Its totient is φ = 32499624960.

The previous prime is 65775835003. The next prime is 65775835031. The reversal of 65775835024 is 42053857756.

It is a happy number.

The square root of 65775835024 is 256468.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4454227600 + 61321607424 = 66740^2 + 247632^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 99509254 + ... + 99509914.

Almost surely, 2^65775835024 is an apocalyptic number.

65775835024 is the 256468-th square number.

It is an amenable number.

65775835024 is a deficient number, since it is larger than the sum of its proper divisors (63187313987).

65775835024 is an frugal number, since it uses more digits than its factorization.

65775835024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 65775835024 in words is "sixty-five billion, seven hundred seventy-five million, eight hundred thirty-five thousand, twenty-four".