806479680 has 56 divisors (see below), whose sum is σ = 2560576032. Its totient is φ = 215060992.

The previous prime is 806479679. The next prime is 806479693. The reversal of 806479680 is 86974608.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 419082 + ... + 421001.

It is an arithmetic number, because the mean of its divisors is an integer number (45724572).

Almost surely, 2^806479680 is an apocalyptic number.

806479680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

806479680 is an abundant number, since it is smaller than the sum of its proper divisors (1754096352).

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

806479680 is a wasteful number, since it uses less digits than its factorization.

806479680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840103 (or 840093 counting only the distinct ones).

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

The square root of 806479680 is about 28398.5858802864. The cubic root of 806479680 is about 930.8173644344.

The spelling of 806479680 in words is "eight hundred six million, four hundred seventy-nine thousand, six hundred eighty".