7725477772 has 12 divisors (see below), whose sum is σ = 13560433096. Its totient is φ = 3851068320.

The previous prime is 7725477763. The next prime is 7725477827. The reversal of 7725477772 is 2777745277.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2916153 + ... + 2918800.

Almost surely, 2^7725477772 is an apocalyptic number.

It is an amenable number.

7725477772 is a deficient number, since it is larger than the sum of its proper divisors (5834955324).

7725477772 is a wasteful number, since it uses less digits than its factorization.

7725477772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835288 (or 5835286 counting only the distinct ones).

The product of its digits is 9411920, while the sum is 55.

The square root of 7725477772 is about 87894.6970641574. The cubic root of 7725477772 is about 1976.8563668193.

The spelling of 7725477772 in words is "seven billion, seven hundred twenty-five million, four hundred seventy-seven thousand, seven hundred seventy-two".