775813916 has 12 divisors (see below), whose sum is σ = 1404490920. Its totient is φ = 374530800.

The previous prime is 775813901. The next prime is 775813919. The reversal of 775813916 is 619318577.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775813919) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3343910 + ... + 3344141.

It is an arithmetic number, because the mean of its divisors is an integer number (117040910).

Almost surely, 2^775813916 is an apocalyptic number.

It is an amenable number.

775813916 is a deficient number, since it is larger than the sum of its proper divisors (628677004).

775813916 is a wasteful number, since it uses less digits than its factorization.

775813916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6688084 (or 6688082 counting only the distinct ones).

The product of its digits is 317520, while the sum is 47.

The square root of 775813916 is about 27853.4363409616. The cubic root of 775813916 is about 918.8667189334.

The spelling of 775813916 in words is "seven hundred seventy-five million, eight hundred thirteen thousand, nine hundred sixteen".