7820078206 has 16 divisors (see below), whose sum is σ = 11774730240. Its totient is φ = 3895183480.

The previous prime is 7820078179. The next prime is 7820078239. The reversal of 7820078206 is 6028700287.

It is a super-2 number, since 2×7820078206² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668975 + ... + 1673653.

It is an arithmetic number, because the mean of its divisors is an integer number (735920640).

Almost surely, 2^7820078206 is an apocalyptic number.

7820078206 is a deficient number, since it is larger than the sum of its proper divisors (3954652034).

7820078206 is a wasteful number, since it uses less digits than its factorization.

7820078206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7679.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 7820078206 is about 88431.2060643753. The cubic root of 7820078206 is about 1984.8926890745.

The spelling of 7820078206 in words is "seven billion, eight hundred twenty million, seventy-eight thousand, two hundred six".