775404336 has 160 divisors (see below), whose sum is σ = 2404131840. Its totient is φ = 210557952.

The previous prime is 775404319. The next prime is 775404347. The reversal of 775404336 is 633404577.

It is a junction number, because it is equal to n+sod(n) for n = 775404294 and 775404303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2078646 + ... + 2079018.

It is an arithmetic number, because the mean of its divisors is an integer number (15025824).

Almost surely, 2^775404336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 775404336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202065920).

775404336 is an abundant number, since it is smaller than the sum of its proper divisors (1628727504).

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

775404336 is a wasteful number, since it uses less digits than its factorization.

775404336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 39.

The square root of 775404336 is about 27846.0829561359. The cubic root of 775404336 is about 918.7049895669.

The spelling of 775404336 in words is "seven hundred seventy-five million, four hundred four thousand, three hundred thirty-six".