775933312 has 192 divisors, whose sum is σ = 2060946720. Its totient is φ = 283852800.

The previous prime is 775933289. The next prime is 775933321. The reversal of 775933312 is 213339577.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842862 + ... + 1843282.

Almost surely, 2^775933312 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 775933312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030473360).

775933312 is an abundant number, since it is smaller than the sum of its proper divisors (1285013408).

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

775933312 is a wasteful number, since it uses less digits than its factorization.

775933312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 458 counting only the distinct ones).

The product of its digits is 119070, while the sum is 40.

The square root of 775933312 is about 27855.5795488085. The cubic root of 775933312 is about 918.9138536827.

The spelling of 775933312 in words is "seven hundred seventy-five million, nine hundred thirty-three thousand, three hundred twelve".