783128352 has 24 divisors (see below), whose sum is σ = 2055712176. Its totient is φ = 261042752.

The previous prime is 783128321. The next prime is 783128393. The reversal of 783128352 is 253821387.

783128352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×783128352² = 1226580031412471808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 783128352.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4078698 + ... + 4078889.

It is an arithmetic number, because the mean of its divisors is an integer number (85654674).

Almost surely, 2^783128352 is an apocalyptic number.

It is an amenable number.

783128352 is an abundant number, since it is smaller than the sum of its proper divisors (1272583824).

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

783128352 is a wasteful number, since it uses less digits than its factorization.

783128352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157600 (or 8157592 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 783128352 is about 27984.4305284206. The cubic root of 783128352 is about 921.7454074074.

The spelling of 783128352 in words is "seven hundred eighty-three million, one hundred twenty-eight thousand, three hundred fifty-two".