806862291408 has 30 divisors (see below), whose sum is σ = 2258093774274. Its totient is φ = 268954097088.

The previous prime is 806862291397. The next prime is 806862291497. The reversal of 806862291408 is 804192268608.

806862291408 is a `hidden beast` number, since 8 + 0 + 6 + 8 + 6 + 229 + 1 + 408 = 666.

It can be written as a sum of positive squares in only one way, i.e., 614292277824 + 192570013584 = 783768^2 + 438828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2801605035 + ... + 2801605322.

Almost surely, 2^806862291408 is an apocalyptic number.

It is an amenable number.

806862291408 is an abundant number, since it is smaller than the sum of its proper divisors (1451231482866).

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

806862291408 is a wasteful number, since it uses less digits than its factorization.

806862291408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603210371 (or 5603210362 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 806862291408 in words is "eight hundred six billion, eight hundred sixty-two million, two hundred ninety-one thousand, four hundred eight".