780745468 has 24 divisors (see below), whose sum is σ = 1447552512. Its totient is φ = 367186944.

The previous prime is 780745463. The next prime is 780745477. The reversal of 780745468 is 864547087.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780745463) 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 7 ways as a sum of consecutive naturals, for example, 180580 + ... + 184852.

It is an arithmetic number, because the mean of its divisors is an integer number (60314688).

Almost surely, 2^780745468 is an apocalyptic number.

It is an amenable number.

780745468 is a deficient number, since it is larger than the sum of its proper divisors (666807044).

780745468 is a wasteful number, since it uses less digits than its factorization.

780745468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981 (or 6979 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 780745468 is about 27941.8229183423. The cubic root of 780745468 is about 920.8095693755.

The spelling of 780745468 in words is "seven hundred eighty million, seven hundred forty-five thousand, four hundred sixty-eight".