7928443550 has 12 divisors (see below), whose sum is σ = 14746905096. Its totient is φ = 3171377400.

The previous prime is 7928443531. The next prime is 7928443553. The reversal of 7928443550 is 553448297.

It is a junction number, because it is equal to n+sod(n) for n = 7928443495 and 7928443504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7928443553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79284386 + ... + 79284485.

It is an arithmetic number, because the mean of its divisors is an integer number (1228908758).

Almost surely, 2^7928443550 is an apocalyptic number.

7928443550 is a deficient number, since it is larger than the sum of its proper divisors (6818461546).

7928443550 is a wasteful number, since it uses less digits than its factorization.

7928443550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158568883 (or 158568878 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 7928443550 is about 89041.8078769743. The cubic root of 7928443550 is about 1994.0190947147.

The spelling of 7928443550 in words is "seven billion, nine hundred twenty-eight million, four hundred forty-three thousand, five hundred fifty".