7707648413 has 4 divisors (see below), whose sum is σ = 7752201468. Its totient is φ = 7663095360.

The previous prime is 7707648407. The next prime is 7707648469. The reversal of 7707648413 is 3148467077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3148467077 = 7 ⋅449781011.

It can be written as a sum of positive squares in 2 ways, for example, as 5305374244 + 2402274169 = 72838^2 + 49013^2 .

It is a cyclic number.

It is not a de Polignac number, because 7707648413 - 2¹² = 7707644317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7707648493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22276268 + ... + 22276613.

It is an arithmetic number, because the mean of its divisors is an integer number (1938050367).

Almost surely, 2^7707648413 is an apocalyptic number.

It is an amenable number.

7707648413 is a deficient number, since it is larger than the sum of its proper divisors (44553055).

7707648413 is a wasteful number, since it uses less digits than its factorization.

7707648413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44553054.

The product of its (nonzero) digits is 790272, while the sum is 47.

The square root of 7707648413 is about 87793.2139347911. The cubic root of 7707648413 is about 1975.3344229295.

The spelling of 7707648413 in words is "seven billion, seven hundred seven million, six hundred forty-eight thousand, four hundred thirteen".