7770117001 has 4 divisors (see below), whose sum is σ = 8038052100. Its totient is φ = 7502181904.

The previous prime is 7770116941. The next prime is 7770117011. The reversal of 7770117001 is 1007110777.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1421214601 + 6348902400 = 37699^2 + 79680^2 .

It is a cyclic number.

It is not a de Polignac number, because 7770117001 - 2⁷ = 7770116873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7770117011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133967506 + ... + 133967563.

It is an arithmetic number, because the mean of its divisors is an integer number (2009513025).

Almost surely, 2^7770117001 is an apocalyptic number.

It is an amenable number.

7770117001 is a deficient number, since it is larger than the sum of its proper divisors (267935099).

7770117001 is a wasteful number, since it uses less digits than its factorization.

7770117001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267935098.

The product of its (nonzero) digits is 2401, while the sum is 31.

The square root of 7770117001 is about 88148.2671468929. The cubic root of 7770117001 is about 1980.6566030523.

Adding to 7770117001 its reverse (1007110777), we get a palindrome (8777227778).

The spelling of 7770117001 in words is "seven billion, seven hundred seventy million, one hundred seventeen thousand, one".