805083687868 has 24 divisors (see below), whose sum is σ = 1415144868480. Its totient is φ = 400756822080.

The previous prime is 805083687857. The next prime is 805083687871. The reversal of 805083687868 is 868786380508.

It is a super-2 number, since 2×805083687868² (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, 24340830 + ... + 24373882.

It is an arithmetic number, because the mean of its divisors is an integer number (58964369520).

Almost surely, 2^805083687868 is an apocalyptic number.

It is an amenable number.

805083687868 is a deficient number, since it is larger than the sum of its proper divisors (610061180612).

805083687868 is a wasteful number, since it uses less digits than its factorization.

805083687868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59877 (or 59875 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 67.

The spelling of 805083687868 in words is "eight hundred five billion, eighty-three million, six hundred eighty-seven thousand, eight hundred sixty-eight".