7665498225 has 432 divisors, whose sum is σ = 19038364800. Its totient is φ = 2874009600.

The previous prime is 7665498223. The next prime is 7665498227. The reversal of 7665498225 is 5228945667.

7665498225 is a `hidden beast` number, since 76 + 6 + 549 + 8 + 2 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (7665498223) and next prime (7665498227).

It is not a de Polignac number, because 7665498225 - 2¹ = 7665498223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7665498223) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 105006789 + ... + 105006861.

Almost surely, 2^7665498225 is an apocalyptic number.

7665498225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7665498225 is an abundant number, since it is smaller than the sum of its proper divisors (11372866575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7665498225 is a wasteful number, since it uses less digits than its factorization.

7665498225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 147 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 7665498225 is about 87552.8310507433. The cubic root of 7665498225 is about 1971.7270557486.

The spelling of 7665498225 in words is "seven billion, six hundred sixty-five million, four hundred ninety-eight thousand, two hundred twenty-five".