791128751 has 8 divisors (see below), whose sum is σ = 905341344. Its totient is φ = 677214720.

The previous prime is 791128717. The next prime is 791128757. The reversal of 791128751 is 157821197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 791128751 - 2¹⁸ = 790866607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 791128699 and 791128708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791128757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68930 + ... + 79583.

It is an arithmetic number, because the mean of its divisors is an integer number (113167668).

Almost surely, 2^791128751 is an apocalyptic number.

791128751 is a deficient number, since it is larger than the sum of its proper divisors (114212593).

791128751 is a wasteful number, since it uses less digits than its factorization.

791128751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149281.

The product of its digits is 35280, while the sum is 41.

The square root of 791128751 is about 28127.0110569893. The cubic root of 791128751 is about 924.8736135088.

The spelling of 791128751 in words is "seven hundred ninety-one million, one hundred twenty-eight thousand, seven hundred fifty-one".