775376149 has 16 divisors (see below), whose sum is σ = 824112000. Its totient is φ = 727474176.

The previous prime is 775376117. The next prime is 775376159. The reversal of 775376149 is 941673577.

It is a cyclic number.

It is not a de Polignac number, because 775376149 - 2⁵ = 775376117 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 (775376159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1294152 + ... + 1294750.

It is an arithmetic number, because the mean of its divisors is an integer number (51507000).

Almost surely, 2^775376149 is an apocalyptic number.

It is an amenable number.

775376149 is a deficient number, since it is larger than the sum of its proper divisors (48735851).

775376149 is a wasteful number, since it uses less digits than its factorization.

775376149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164.

The product of its digits is 1111320, while the sum is 49.

The square root of 775376149 is about 27845.5768300820. The cubic root of 775376149 is about 918.6938573742.

The spelling of 775376149 in words is "seven hundred seventy-five million, three hundred seventy-six thousand, one hundred forty-nine".