7863312916 has 6 divisors (see below), whose sum is σ = 13760797610. Its totient is φ = 3931656456.

The previous prime is 7863312913. The next prime is 7863312931. The reversal of 7863312916 is 6192133687.

It can be written as a sum of positive squares in only one way, i.e., 6359424516 + 1503888400 = 79746^2 + 38780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7863312913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982914111 + ... + 982914118.

Almost surely, 2^7863312916 is an apocalyptic number.

It is an amenable number.

7863312916 is a deficient number, since it is larger than the sum of its proper divisors (5897484694).

7863312916 is a wasteful number, since it uses less digits than its factorization.

7863312916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965828233 (or 1965828231 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 7863312916 is about 88675.3230385996. The cubic root of 7863312916 is about 1988.5439140067.

The spelling of 7863312916 in words is "seven billion, eight hundred sixty-three million, three hundred twelve thousand, nine hundred sixteen".