775338967 has 4 divisors (see below), whose sum is σ = 834980440. Its totient is φ = 715697496.

The previous prime is 775338953. The next prime is 775338979. The reversal of 775338967 is 769833577.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-775338967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775338997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29820717 + ... + 29820742.

It is an arithmetic number, because the mean of its divisors is an integer number (208745110).

Almost surely, 2^775338967 is an apocalyptic number.

775338967 is a deficient number, since it is larger than the sum of its proper divisors (59641473).

775338967 is a wasteful number, since it uses less digits than its factorization.

775338967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59641472.

The product of its digits is 6667920, while the sum is 55.

The square root of 775338967 is about 27844.9091756465. The cubic root of 775338967 is about 918.6791722776.

The spelling of 775338967 in words is "seven hundred seventy-five million, three hundred thirty-eight thousand, nine hundred sixty-seven".