7721339116 has 12 divisors (see below), whose sum is σ = 13516326432. Its totient is φ = 3859531568.

The previous prime is 7721339113. The next prime is 7721339141. The reversal of 7721339116 is 6119331277.

It is a super-2 number, since 2×7721339116² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7721339113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269140 + ... + 296443.

It is an arithmetic number, because the mean of its divisors is an integer number (1126360536).

Almost surely, 2^7721339116 is an apocalyptic number.

It is an amenable number.

7721339116 is a deficient number, since it is larger than the sum of its proper divisors (5794987316).

7721339116 is a wasteful number, since it uses less digits than its factorization.

7721339116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569000 (or 568998 counting only the distinct ones).

The product of its digits is 47628, while the sum is 40.

The square root of 7721339116 is about 87871.1506468420. The cubic root of 7721339116 is about 1976.5032930837.

The spelling of 7721339116 in words is "seven billion, seven hundred twenty-one million, three hundred thirty-nine thousand, one hundred sixteen".