325000778 has 16 divisors (see below), whose sum is σ = 490613760. Its totient is φ = 161466816.

The previous prime is 325000777. The next prime is 325000783. The reversal of 325000778 is 877000523.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (325000777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257513 + ... + 258771.

It is an arithmetic number, because the mean of its divisors is an integer number (30663360).

Almost surely, 2^325000778 is an apocalyptic number.

325000778 is a deficient number, since it is larger than the sum of its proper divisors (165612982).

325000778 is a wasteful number, since it uses less digits than its factorization.

325000778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 325000778 is about 18027.7779551447. Note that the first 3 decimals coincide. The cubic root of 325000778 is about 687.5349821539.

The spelling of 325000778 in words is "three hundred twenty-five million, seven hundred seventy-eight", and thus it is an aban number.