806854851 has 40 divisors (see below), whose sum is σ = 1322481600. Its totient is φ = 486174960.

The previous prime is 806854837. The next prime is 806854877. The reversal of 806854851 is 158458608.

It is not a de Polignac number, because 806854851 - 2²⁵ = 773300419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 806854797 and 806854806.

It is not an unprimeable number, because it can be changed into a prime (806854801) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 156960 + ... + 162018.

It is an arithmetic number, because the mean of its divisors is an integer number (33062040).

Almost surely, 2^806854851 is an apocalyptic number.

806854851 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

806854851 is a deficient number, since it is larger than the sum of its proper divisors (515626749).

806854851 is a wasteful number, since it uses less digits than its factorization.

806854851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261 (or 5252 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 806854851 is about 28405.1905644021. The cubic root of 806854851 is about 930.9616795167.

The spelling of 806854851 in words is "eight hundred six million, eight hundred fifty-four thousand, eight hundred fifty-one".