806764980 has 96 divisors (see below), whose sum is σ = 2612865024. Its totient is φ = 182173824.

The previous prime is 806764979. The next prime is 806765021. The reversal of 806764980 is 89467608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23289 + ... + 46431.

It is an arithmetic number, because the mean of its divisors is an integer number (27217344).

Almost surely, 2^806764980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806764980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306432512).

806764980 is an abundant number, since it is smaller than the sum of its proper divisors (1806100044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806764980 is a wasteful number, since it uses less digits than its factorization.

806764980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23245 (or 23243 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 806764980 is about 28403.6085735598. The cubic root of 806764980 is about 930.9271133806.

The spelling of 806764980 in words is "eight hundred six million, seven hundred sixty-four thousand, nine hundred eighty".