7709112225 has 60 divisors (see below), whose sum is σ = 14294910960. Its totient is φ = 4107218400.

The previous prime is 7709112223. The next prime is 7709112233. The reversal of 7709112225 is 5222119077.

It is not a de Polignac number, because 7709112225 - 2¹ = 7709112223 is a prime.

It is a super-2 number, since 2×7709112225² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7709112225.

It is not an unprimeable number, because it can be changed into a prime (7709112223) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3196270 + ... + 3198680.

It is an arithmetic number, because the mean of its divisors is an integer number (238248516).

Almost surely, 2^7709112225 is an apocalyptic number.

7709112225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7709112225 is a deficient number, since it is larger than the sum of its proper divisors (6585798735).

7709112225 is a wasteful number, since it uses less digits than its factorization.

7709112225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012 (or 3998 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 7709112225 is about 87801.5502425783. The cubic root of 7709112225 is about 1975.4594647515.

The spelling of 7709112225 in words is "seven billion, seven hundred nine million, one hundred twelve thousand, two hundred twenty-five".