775828540 has 12 divisors (see below), whose sum is σ = 1629239976. Its totient is φ = 310331408.

The previous prime is 775828519. The next prime is 775828567. The reversal of 775828540 is 45828577.

It is a congruent number.

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, 19395694 + ... + 19395733.

It is an arithmetic number, because the mean of its divisors is an integer number (135769998).

Almost surely, 2^775828540 is an apocalyptic number.

It is an amenable number.

775828540 is an abundant number, since it is smaller than the sum of its proper divisors (853411436).

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

775828540 is a wasteful number, since it uses less digits than its factorization.

775828540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38791436 (or 38791434 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 775828540 is about 27853.6988567048. The cubic root of 775828540 is about 918.8724924066.

The spelling of 775828540 in words is "seven hundred seventy-five million, eight hundred twenty-eight thousand, five hundred forty".