3253565778 has 8 divisors (see below), whose sum is σ = 6507131568. Its totient is φ = 1084521924.

The previous prime is 3253565771. The next prime is 3253565789. The reversal of 3253565778 is 8775653523.

It is a sphenic number, since it is the product of 3 distinct primes.

3253565778 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3253565778.

It is not an unprimeable number, because it can be changed into a prime (3253565771) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 271130476 + ... + 271130487.

It is an arithmetic number, because the mean of its divisors is an integer number (813391446).

Almost surely, 2^3253565778 is an apocalyptic number.

3253565778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3253565778 is a wasteful number, since it uses less digits than its factorization.

3253565778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542260968.

The product of its digits is 5292000, while the sum is 51.

The square root of 3253565778 is about 57040.0366234104. The cubic root of 3253565778 is about 1481.7895594513.

The spelling of 3253565778 in words is "three billion, two hundred fifty-three million, five hundred sixty-five thousand, seven hundred seventy-eight".