7157708793 has 12 divisors (see below), whose sum is σ = 10618343268. Its totient is φ = 4642837920.

The previous prime is 7157708773. The next prime is 7157708797. The reversal of 7157708793 is 3978077517.

It is a happy number.

7157708793 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 2 ways, for example, as 3968622009 + 3189086784 = 62997^2 + 56472^2 .

It is not a de Polignac number, because 7157708793 - 2⁹ = 7157708281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7157708797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10746978 + ... + 10747643.

It is an arithmetic number, because the mean of its divisors is an integer number (884861939).

Almost surely, 2^7157708793 is an apocalyptic number.

It is an amenable number.

7157708793 is a deficient number, since it is larger than the sum of its proper divisors (3460634475).

7157708793 is a wasteful number, since it uses less digits than its factorization.

7157708793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21494664 (or 21494661 counting only the distinct ones).

The product of its (nonzero) digits is 2593080, while the sum is 54.

The square root of 7157708793 is about 84603.2433952742. The cubic root of 7157708793 is about 1927.1906285811.

The spelling of 7157708793 in words is "seven billion, one hundred fifty-seven million, seven hundred eight thousand, seven hundred ninety-three".