780850464 has 48 divisors (see below), whose sum is σ = 2051179200. Its totient is φ = 260099840.

The previous prime is 780850439. The next prime is 780850481. The reversal of 780850464 is 464058087.

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

It is an unprimeable number.

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, 243109 + ... + 246299.

It is an arithmetic number, because the mean of its divisors is an integer number (42732900).

Almost surely, 2^780850464 is an apocalyptic number.

It is an amenable number.

780850464 is an abundant number, since it is smaller than the sum of its proper divisors (1270328736).

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

780850464 is a wasteful number, since it uses less digits than its factorization.

780850464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753 (or 5745 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 780850464 is about 27943.7016875002. The cubic root of 780850464 is about 920.8508448794.

The spelling of 780850464 in words is "seven hundred eighty million, eight hundred fifty thousand, four hundred sixty-four".