775812012 has 24 divisors (see below), whose sum is σ = 1824485376. Its totient is φ = 256567248.

The previous prime is 775811989. The next prime is 775812043. The reversal of 775812012 is 210218577.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253008 + ... + 256055.

It is an arithmetic number, because the mean of its divisors is an integer number (76020224).

Almost surely, 2^775812012 is an apocalyptic number.

It is an amenable number.

775812012 is an abundant number, since it is smaller than the sum of its proper divisors (1048673364).

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

775812012 is a wasteful number, since it uses less digits than its factorization.

775812012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509197 (or 509195 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 775812012 is about 27853.4021620340. The cubic root of 775812012 is about 918.8659672396.

The spelling of 775812012 in words is "seven hundred seventy-five million, eight hundred twelve thousand, twelve".