7857140611 has 2 divisors, whose sum is σ = 7857140612. Its totient is φ = 7857140610.

The previous prime is 7857140609. The next prime is 7857140659. The reversal of 7857140611 is 1160417587.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7857140611 - 2¹ = 7857140609 is a prime.

Together with 7857140609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7857140311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3928570305 + 3928570306.

It is an arithmetic number, because the mean of its divisors is an integer number (3928570306).

Almost surely, 2^7857140611 is an apocalyptic number.

7857140611 is a deficient number, since it is larger than the sum of its proper divisors (1).

7857140611 is an equidigital number, since it uses as much as digits as its factorization.

7857140611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 7857140611 is about 88640.5133728365. The cubic root of 7857140611 is about 1988.0234755037.

The spelling of 7857140611 in words is "seven billion, eight hundred fifty-seven million, one hundred forty thousand, six hundred eleven".