775867328 has 28 divisors (see below), whose sum is σ = 1543339560. Its totient is φ = 386994432.

The previous prime is 775867321. The next prime is 775867331. The reversal of 775867328 is 823768577.

It is a super-2 number, since 2×775867328² = 1203940221315719168, 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 775867328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775867321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12350 + ... + 41282.

It is an arithmetic number, because the mean of its divisors is an integer number (55119270).

Almost surely, 2^775867328 is an apocalyptic number.

It is an amenable number.

775867328 is a deficient number, since it is larger than the sum of its proper divisors (767472232).

775867328 is a wasteful number, since it uses less digits than its factorization.

775867328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29364 (or 29354 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 53.

The square root of 775867328 is about 27854.3951289559. The cubic root of 775867328 is about 918.8878053400.

The spelling of 775867328 in words is "seven hundred seventy-five million, eight hundred sixty-seven thousand, three hundred twenty-eight".