805479580 has 24 divisors (see below), whose sum is σ = 1697949792. Its totient is φ = 320964672.

The previous prime is 805479557. The next prime is 805479583. The reversal of 805479580 is 85974508.

It is a self number, because there is not a number n which added to its sum of digits gives 805479580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805479583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71307 + ... + 81826.

It is an arithmetic number, because the mean of its divisors is an integer number (70747908).

Almost surely, 2^805479580 is an apocalyptic number.

It is an amenable number.

805479580 is an abundant number, since it is smaller than the sum of its proper divisors (892470212).

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

805479580 is a wasteful number, since it uses less digits than its factorization.

805479580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153405 (or 153403 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 805479580 is about 28380.9721468451. The cubic root of 805479580 is about 930.4324423522.

The spelling of 805479580 in words is "eight hundred five million, four hundred seventy-nine thousand, five hundred eighty".