7740852605 has 24 divisors (see below), whose sum is σ = 9900949464. Its totient is φ = 5808528000.

The previous prime is 7740852601. The next prime is 7740852617. The reversal of 7740852605 is 5062580477.

It can be written as a sum of positive squares in 4 ways, for example, as 5362047076 + 2378805529 = 73226^2 + 48773^2 .

It is not a de Polignac number, because 7740852605 - 2² = 7740852601 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7740852601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161075 + ... + 203535.

It is an arithmetic number, because the mean of its divisors is an integer number (412539561).

Almost surely, 2^7740852605 is an apocalyptic number.

It is an amenable number.

7740852605 is a deficient number, since it is larger than the sum of its proper divisors (2160096859).

7740852605 is a wasteful number, since it uses less digits than its factorization.

7740852605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42605 (or 42586 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 7740852605 is about 87982.1152564543. The cubic root of 7740852605 is about 1978.1669091113.

The spelling of 7740852605 in words is "seven billion, seven hundred forty million, eight hundred fifty-two thousand, six hundred five".