805195776 has 416 divisors, whose sum is σ = 2868553728. Its totient is φ = 194641920.

The previous prime is 805195771. The next prime is 805195777. The reversal of 805195776 is 677591508.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805195771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21762030 + ... + 21762066.

Almost surely, 2^805195776 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 805195776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434276864).

805195776 is an abundant number, since it is smaller than the sum of its proper divisors (2063357952).

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

805195776 is a wasteful number, since it uses less digits than its factorization.

805195776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 48.

The square root of 805195776 is about 28375.9718071470. The cubic root of 805195776 is about 930.3231528165.

The spelling of 805195776 in words is "eight hundred five million, one hundred ninety-five thousand, seven hundred seventy-six".