7813663708 has 48 divisors (see below), whose sum is σ = 14450171904. Its totient is φ = 3691422720.

The previous prime is 7813663703. The next prime is 7813663729. The reversal of 7813663708 is 8073663187.

It is a super-2 number, since 2×7813663708² (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 (7813663703) 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 15 ways as a sum of consecutive naturals, for example, 2836860 + ... + 2839612.

It is an arithmetic number, because the mean of its divisors is an integer number (301045248).

Almost surely, 2^7813663708 is an apocalyptic number.

It is an amenable number.

7813663708 is a deficient number, since it is larger than the sum of its proper divisors (6636508196).

7813663708 is a wasteful number, since it uses less digits than its factorization.

7813663708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322 (or 3320 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 7813663708 is about 88394.9303297423. The cubic root of 7813663708 is about 1984.3498312051.

The spelling of 7813663708 in words is "seven billion, eight hundred thirteen million, six hundred sixty-three thousand, seven hundred eight".