775008312 has 96 divisors (see below), whose sum is σ = 2118481200. Its totient is φ = 236141568.

The previous prime is 775008301. The next prime is 775008313. The reversal of 775008312 is 213800577.

It is a super-5 number, since 5×775008312⁵ (a number of 46 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775008313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441228 + ... + 442980.

Almost surely, 2^775008312 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 775008312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059240600).

775008312 is an abundant number, since it is smaller than the sum of its proper divisors (1343472888).

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

775008312 is a wasteful number, since it uses less digits than its factorization.

775008312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 775008312 is about 27838.9711016769. The cubic root of 775008312 is about 918.5485588441.

Adding to 775008312 its reverse (213800577), we get a palindrome (988808889).

The spelling of 775008312 in words is "seven hundred seventy-five million, eight thousand, three hundred twelve".