806828751 has 12 divisors (see below), whose sum is σ = 1165879000. Its totient is φ = 537673680.

The previous prime is 806828747. The next prime is 806828773. The reversal of 806828751 is 157828608.

It is not a de Polignac number, because 806828751 - 2² = 806828747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806828697 and 806828706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806828731) 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, 8436 + ... + 41046.

Almost surely, 2^806828751 is an apocalyptic number.

806828751 is a deficient number, since it is larger than the sum of its proper divisors (359050249).

806828751 is a wasteful number, since it uses less digits than its factorization.

806828751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35366 (or 35363 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 806828751 is about 28404.7311376116. The cubic root of 806828751 is about 930.9516412131.

The spelling of 806828751 in words is "eight hundred six million, eight hundred twenty-eight thousand, seven hundred fifty-one".