775980107 has 16 divisors (see below), whose sum is σ = 918973440. Its totient is φ = 641414592.

The previous prime is 775980103. The next prime is 775980133. The reversal of 775980107 is 701089577.

It is not a de Polignac number, because 775980107 - 2² = 775980103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (775980103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7463 + ... + 40095.

It is an arithmetic number, because the mean of its divisors is an integer number (57435840).

Almost surely, 2^775980107 is an apocalyptic number.

775980107 is a deficient number, since it is larger than the sum of its proper divisors (142993333).

775980107 is a wasteful number, since it uses less digits than its factorization.

775980107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32762.

The product of its (nonzero) digits is 123480, while the sum is 44.

The square root of 775980107 is about 27856.4194935386. The cubic root of 775980107 is about 918.9323259357.

The spelling of 775980107 in words is "seven hundred seventy-five million, nine hundred eighty thousand, one hundred seven".