7791447464 has 32 divisors (see below), whose sum is σ = 14973940800. Its totient is φ = 3798506880.

The previous prime is 7791447431. The next prime is 7791447473. The reversal of 7791447464 is 4647441977.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 658997 + ... + 670715.

It is an arithmetic number, because the mean of its divisors is an integer number (467935650).

Almost surely, 2^7791447464 is an apocalyptic number.

It is an amenable number.

7791447464 is a deficient number, since it is larger than the sum of its proper divisors (7182493336).

7791447464 is a wasteful number, since it uses less digits than its factorization.

7791447464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13793 (or 13789 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 53.

The square root of 7791447464 is about 88269.1761828556. The cubic root of 7791447464 is about 1982.4673746411.

The spelling of 7791447464 in words is "seven billion, seven hundred ninety-one million, four hundred forty-seven thousand, four hundred sixty-four".