7770181113 has 6 divisors (see below), whose sum is σ = 11223594954. Its totient is φ = 5180120736.

The previous prime is 7770181079. The next prime is 7770181121. The reversal of 7770181113 is 3111810777.

It can be written as a sum of positive squares in only one way, i.e., 7749633024 + 20548089 = 88032^2 + 4533^2 .

It is not a de Polignac number, because 7770181113 - 2⁹ = 7770180601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7770181163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 431676720 + ... + 431676737.

It is an arithmetic number, because the mean of its divisors is an integer number (1870599159).

Almost surely, 2^7770181113 is an apocalyptic number.

It is an amenable number.

7770181113 is a deficient number, since it is larger than the sum of its proper divisors (3453413841).

7770181113 is a wasteful number, since it uses less digits than its factorization.

7770181113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863353463 (or 863353460 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 36.

The square root of 7770181113 is about 88148.6308061560. The cubic root of 7770181113 is about 1980.6620505682.

The spelling of 7770181113 in words is "seven billion, seven hundred seventy million, one hundred eighty-one thousand, one hundred thirteen".