7447678348 has 24 divisors (see below), whose sum is σ = 14602576464. Its totient is φ = 3293812800.

The previous prime is 7447678321. The next prime is 7447678361. The reversal of 7447678348 is 8438767447.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7447678292 and 7447678301.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2285743 + ... + 2288998.

It is an arithmetic number, because the mean of its divisors is an integer number (608440686).

Almost surely, 2^7447678348 is an apocalyptic number.

It is an amenable number.

7447678348 is a deficient number, since it is larger than the sum of its proper divisors (7154898116).

7447678348 is a wasteful number, since it uses less digits than its factorization.

7447678348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574793 (or 4574791 counting only the distinct ones).

The product of its digits is 25288704, while the sum is 58.

The square root of 7447678348 is about 86299.9324912830. The cubic root of 7447678348 is about 1952.8713646834.

The spelling of 7447678348 in words is "seven billion, four hundred forty-seven million, six hundred seventy-eight thousand, three hundred forty-eight".