7740775825 has 12 divisors (see below), whose sum is σ = 9730051468. Its totient is φ = 6107788800.

The previous prime is 7740775813. The next prime is 7740775831. The reversal of 7740775825 is 5285770477.

It can be written as a sum of positive squares in 6 ways, for example, as 364199056 + 7376576769 = 19084^2 + 85887^2 .

It is not a de Polignac number, because 7740775825 - 2⁷ = 7740775697 is a prime.

It is a super-2 number, since 2×7740775825² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2118936 + ... + 2122585.

Almost surely, 2^7740775825 is an apocalyptic number.

It is an amenable number.

7740775825 is a deficient number, since it is larger than the sum of its proper divisors (1989275643).

7740775825 is a wasteful number, since it uses less digits than its factorization.

7740775825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241604 (or 4241599 counting only the distinct ones).

The product of its (nonzero) digits is 3841600, while the sum is 52.

The square root of 7740775825 is about 87981.6789166927. The cubic root of 7740775825 is about 1978.1603687397.

The spelling of 7740775825 in words is "seven billion, seven hundred forty million, seven hundred seventy-five thousand, eight hundred twenty-five".