775025949 has 8 divisors (see below), whose sum is σ = 1033698240. Its totient is φ = 516518816.

The previous prime is 775025893. The next prime is 775025959. The reversal of 775025949 is 949520577.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 775025949 - 2⁷ = 775025821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775025898 and 775025907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775025959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29889 + ... + 49430.

It is an arithmetic number, because the mean of its divisors is an integer number (129212280).

Almost surely, 2^775025949 is an apocalyptic number.

It is an amenable number.

775025949 is a deficient number, since it is larger than the sum of its proper divisors (258672291).

775025949 is a wasteful number, since it uses less digits than its factorization.

775025949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82579.

The product of its (nonzero) digits is 793800, while the sum is 48.

The square root of 775025949 is about 27839.2878680472. The cubic root of 775025949 is about 918.5555266481. Note that the first 4 decimals are identical.

The spelling of 775025949 in words is "seven hundred seventy-five million, twenty-five thousand, nine hundred forty-nine".