7679286221 has 12 divisors (see below), whose sum is σ = 8133478272. Its totient is φ = 7249309704.

The previous prime is 7679286211. The next prime is 7679286233. The reversal of 7679286221 is 1226829767.

It is a de Polignac number, because none of the positive numbers 2^k-7679286221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7679286221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7679286211) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 64580 + ... + 139746.

It is an arithmetic number, because the mean of its divisors is an integer number (677789856).

Almost surely, 2^7679286221 is an apocalyptic number.

It is an amenable number.

7679286221 is a deficient number, since it is larger than the sum of its proper divisors (454192051).

7679286221 is a wasteful number, since it uses less digits than its factorization.

7679286221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75488 (or 75469 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 7679286221 is about 87631.5366805809. The cubic root of 7679286221 is about 1972.9085349878.

The spelling of 7679286221 in words is "seven billion, six hundred seventy-nine million, two hundred eighty-six thousand, two hundred twenty-one".