806779412822 has 16 divisors (see below), whose sum is σ = 1219093591392. Its totient is φ = 400422274560.

The previous prime is 806779412809. The next prime is 806779412903. The reversal of 806779412822 is 228214977608.

It is a super-2 number, since 2×806779412822² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629323 + ... + 2065974.

It is an arithmetic number, because the mean of its divisors is an integer number (76193349462).

Almost surely, 2^806779412822 is an apocalyptic number.

806779412822 is a deficient number, since it is larger than the sum of its proper divisors (412314178570).

806779412822 is a wasteful number, since it uses less digits than its factorization.

806779412822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696103.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 806779412822 in words is "eight hundred six billion, seven hundred seventy-nine million, four hundred twelve thousand, eight hundred twenty-two".