7113541777 has 2 divisors, whose sum is σ = 7113541778. Its totient is φ = 7113541776.

The previous prime is 7113541739. The next prime is 7113541781. The reversal of 7113541777 is 7771453117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6763253121 + 350288656 = 82239^2 + 18716^2 .

It is a cyclic number.

It is not a de Polignac number, because 7113541777 - 2¹⁹ = 7113017489 is a prime.

It is a super-2 number, since 2×7113541777² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7113541577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3556770888 + 3556770889.

It is an arithmetic number, because the mean of its divisors is an integer number (3556770889).

Almost surely, 2^7113541777 is an apocalyptic number.

It is an amenable number.

7113541777 is a deficient number, since it is larger than the sum of its proper divisors (1).

7113541777 is an equidigital number, since it uses as much as digits as its factorization.

7113541777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144060, while the sum is 43.

The square root of 7113541777 is about 84341.8151156353. The cubic root of 7113541777 is about 1923.2185037945.

The spelling of 7113541777 in words is "seven billion, one hundred thirteen million, five hundred forty-one thousand, seven hundred seventy-seven".