775480380 has 24 divisors (see below), whose sum is σ = 2171345232. Its totient is φ = 206794752.

The previous prime is 775480379. The next prime is 775480393. The reversal of 775480380 is 83084577.

775480380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6462277 + ... + 6462396.

It is an arithmetic number, because the mean of its divisors is an integer number (90472718).

Almost surely, 2^775480380 is an apocalyptic number.

It is an amenable number.

775480380 is an abundant number, since it is smaller than the sum of its proper divisors (1395864852).

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

775480380 is a wasteful number, since it uses less digits than its factorization.

775480380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12924685 (or 12924683 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 775480380 is about 27847.4483570757. The cubic root of 775480380 is about 918.7350210895.

The spelling of 775480380 in words is "seven hundred seventy-five million, four hundred eighty thousand, three hundred eighty".