7896221307 has 48 divisors (see below), whose sum is σ = 12706231680. Its totient is φ = 4844238048.

The previous prime is 7896221261. The next prime is 7896221321. The reversal of 7896221307 is 7031226987.

7896221307 is a `hidden beast` number, since 7 + 8 + 9 + 622 + 13 + 0 + 7 = 666.

It is not a de Polignac number, because 7896221307 - 2¹² = 7896217211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7896221357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1580868 + ... + 1585854.

It is an arithmetic number, because the mean of its divisors is an integer number (264713160).

Almost surely, 2^7896221307 is an apocalyptic number.

7896221307 is a deficient number, since it is larger than the sum of its proper divisors (4810010373).

7896221307 is a wasteful number, since it uses less digits than its factorization.

7896221307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369 (or 5350 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 7896221307 is about 88860.6848218041. The cubic root of 7896221307 is about 1991.3141078307.

The spelling of 7896221307 in words is "seven billion, eight hundred ninety-six million, two hundred twenty-one thousand, three hundred seven".