791118001 has 16 divisors (see below), whose sum is σ = 862677648. Its totient is φ = 722534400.

The previous prime is 791117983. The next prime is 791118007. The reversal of 791118001 is 100811197.

It can be written as a sum of positive squares in 8 ways, for example, as 5997601 + 785120400 = 2449^2 + 28020^2 .

It is a cyclic number.

It is not a de Polignac number, because 791118001 - 2²¹ = 789020849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (791118007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131581 + ... + 137461.

It is an arithmetic number, because the mean of its divisors is an integer number (53917353).

Almost surely, 2^791118001 is an apocalyptic number.

It is an amenable number.

791118001 is a deficient number, since it is larger than the sum of its proper divisors (71559647).

791118001 is a wasteful number, since it uses less digits than its factorization.

791118001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132.

The product of its (nonzero) digits is 504, while the sum is 28.

The square root of 791118001 is about 28126.8199588933. The cubic root of 791118001 is about 924.8694243734.

Adding to 791118001 its reverse (100811197), we get a palindrome (891929198).

The spelling of 791118001 in words is "seven hundred ninety-one million, one hundred eighteen thousand, one".