7863685804 has 24 divisors (see below), whose sum is σ = 15298091648. Its totient is φ = 3512315520.

The previous prime is 7863685757. The next prime is 7863685811. The reversal of 7863685804 is 4085863687.

It is a super-2 number, since 2×7863685804² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437497 + ... + 2440720.

Almost surely, 2^7863685804 is an apocalyptic number.

It is an amenable number.

7863685804 is a deficient number, since it is larger than the sum of its proper divisors (7434405844).

7863685804 is a wasteful number, since it uses less digits than its factorization.

7863685804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878265 (or 4878263 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The square root of 7863685804 is about 88677.4255602856. The cubic root of 7863685804 is about 1988.5753465785.

The spelling of 7863685804 in words is "seven billion, eight hundred sixty-three million, six hundred eighty-five thousand, eight hundred four".