7791471628 has 12 divisors (see below), whose sum is σ = 14227904880. Its totient is φ = 3726355952.

The previous prime is 7791471601. The next prime is 7791471629. The reversal of 7791471628 is 8261741977.

It is not an unprimeable number, because it can be changed into a prime (7791471629) 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 in 3 ways as a sum of consecutive naturals, for example, 42344863 + ... + 42345046.

It is an arithmetic number, because the mean of its divisors is an integer number (1185658740).

Almost surely, 2^7791471628 is an apocalyptic number.

It is an amenable number.

7791471628 is a deficient number, since it is larger than the sum of its proper divisors (6436433252).

7791471628 is a wasteful number, since it uses less digits than its factorization.

7791471628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84689936 (or 84689934 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 52.

The square root of 7791471628 is about 88269.3130595226. The cubic root of 7791471628 is about 1982.4694240803.

The spelling of 7791471628 in words is "seven billion, seven hundred ninety-one million, four hundred seventy-one thousand, six hundred twenty-eight".