7876653641 has 2 divisors, whose sum is σ = 7876653642. Its totient is φ = 7876653640.

The previous prime is 7876653601. The next prime is 7876653649. The reversal of 7876653641 is 1463566787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4374499600 + 3502154041 = 66140^2 + 59179^2 .

It is a cyclic number.

It is not a de Polignac number, because 7876653641 - 2¹⁴ = 7876637257 is a prime.

It is not a weakly prime, because it can be changed into another prime (7876653649) 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 as a sum of consecutive naturals, namely, 3938326820 + 3938326821.

It is an arithmetic number, because the mean of its divisors is an integer number (3938326821).

Almost surely, 2^7876653641 is an apocalyptic number.

It is an amenable number.

7876653641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7876653641 is an equidigital number, since it uses as much as digits as its factorization.

7876653641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The square root of 7876653641 is about 88750.5134689372. The cubic root of 7876653641 is about 1989.6678520250.

The spelling of 7876653641 in words is "seven billion, eight hundred seventy-six million, six hundred fifty-three thousand, six hundred forty-one".