7994605456 has 20 divisors (see below), whose sum is σ = 15491008512. Its totient is φ = 3996925856.

The previous prime is 7994605447. The next prime is 7994605459. The reversal of 7994605456 is 6545064997.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7994605397 and 7994605406.

It is not an unprimeable number, because it can be changed into a prime (7994605459) 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 3 ways as a sum of consecutive naturals, for example, 242541 + ... + 273523.

Almost surely, 2^7994605456 is an apocalyptic number.

It is an amenable number.

7994605456 is a deficient number, since it is larger than the sum of its proper divisors (7496403056).

7994605456 is a wasteful number, since it uses less digits than its factorization.

7994605456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47118 (or 47112 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The square root of 7994605456 is about 89412.5575967940. The cubic root of 7994605456 is about 1999.5503535833.

The spelling of 7994605456 in words is "seven billion, nine hundred ninety-four million, six hundred five thousand, four hundred fifty-six".