7717730648252 has 12 divisors (see below), whose sum is σ = 14216872246920. Its totient is φ = 3655767149136.

The previous prime is 7717730648249. The next prime is 7717730648261. The reversal of 7717730648252 is 2528460377177.

It is a junction number, because it is equal to n+sod(n) for n = 7717730648191 and 7717730648200.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50774543663 + ... + 50774543814.

It is an arithmetic number, because the mean of its divisors is an integer number (1184739353910).

Almost surely, 2^{7717730648252} is an apocalyptic number.

It is an amenable number.

7717730648252 is a deficient number, since it is larger than the sum of its proper divisors (6499141598668).

7717730648252 is a wasteful number, since it uses less digits than its factorization.

7717730648252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101549087500 (or 101549087498 counting only the distinct ones).

The product of its (nonzero) digits is 27659520, while the sum is 59.

The spelling of 7717730648252 in words is "seven trillion, seven hundred seventeen billion, seven hundred thirty million, six hundred forty-eight thousand, two hundred fifty-two".