7856016213 has 8 divisors (see below), whose sum is σ = 10672324128. Its totient is φ = 5138526224.

The previous prime is 7856016199. The next prime is 7856016257. The reversal of 7856016213 is 3126106587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7856016213 is a prime.

It is a super-2 number, since 2×7856016213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7856016293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24704295 + ... + 24704612.

It is an arithmetic number, because the mean of its divisors is an integer number (1334040516).

Almost surely, 2^7856016213 is an apocalyptic number.

It is an amenable number.

7856016213 is a deficient number, since it is larger than the sum of its proper divisors (2816307915).

7856016213 is a wasteful number, since it uses less digits than its factorization.

7856016213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49408963.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 7856016213 is about 88634.1706849001. The cubic root of 7856016213 is about 1987.9286387869.

The spelling of 7856016213 in words is "seven billion, eight hundred fifty-six million, sixteen thousand, two hundred thirteen".