806667437862 has 48 divisors (see below), whose sum is σ = 2053335302928. Its totient is φ = 225641240640.

The previous prime is 806667437833. The next prime is 806667437887. The reversal of 806667437862 is 268734766608.

It is a super-2 number, since 2×806667437862² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 806667437862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156692733 + ... + 156697880.

It is an arithmetic number, because the mean of its divisors is an integer number (42777818811).

Almost surely, 2^806667437862 is an apocalyptic number.

806667437862 is an abundant number, since it is smaller than the sum of its proper divisors (1246667865066).

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

806667437862 is a wasteful number, since it uses less digits than its factorization.

806667437862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313390645 (or 313390642 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 63.

The spelling of 806667437862 in words is "eight hundred six billion, six hundred sixty-seven million, four hundred thirty-seven thousand, eight hundred sixty-two".