7725225277 has 12 divisors (see below), whose sum is σ = 9704416288. Its totient is φ = 6019655400.

The previous prime is 7725225197. The next prime is 7725225281.

It is a happy number.

7725225277 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7725225277 - 2⁷ = 7725225149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7725225877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4559499 + ... + 4561192.

Almost surely, 2^7725225277 is an apocalyptic number.

7725225277 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

7725225277 is a deficient number, since it is larger than the sum of its proper divisors (1979191011).

7725225277 is a wasteful number, since it uses less digits than its factorization.

7725225277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120720 (or 9120709 counting only the distinct ones).

The product of its digits is 960400, while the sum is 46.

The square root of 7725225277 is about 87893.2607029686. The cubic root of 7725225277 is about 1976.8348297786.

The spelling of 7725225277 in words is "seven billion, seven hundred twenty-five million, two hundred twenty-five thousand, two hundred seventy-seven".