775166117 has 16 divisors (see below), whose sum is σ = 870395328. Its totient is φ = 684257280.

The previous prime is 775166113. The next prime is 775166173. The reversal of 775166117 is 711661577.

It is not a de Polignac number, because 775166117 - 2² = 775166113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775166113) 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 15 ways as a sum of consecutive naturals, for example, 77093 + ... + 86565.

It is an arithmetic number, because the mean of its divisors is an integer number (54399708).

Almost surely, 2^775166117 is an apocalyptic number.

It is an amenable number.

775166117 is a deficient number, since it is larger than the sum of its proper divisors (95229211).

775166117 is a wasteful number, since it uses less digits than its factorization.

775166117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700.

The product of its digits is 61740, while the sum is 41.

The square root of 775166117 is about 27841.8052036861. The cubic root of 775166117 is about 918.6108986995.

The spelling of 775166117 in words is "seven hundred seventy-five million, one hundred sixty-six thousand, one hundred seventeen".