2447320855 has 16 divisors (see below), whose sum is σ = 3398814720. Its totient is φ = 1656918432.

The previous prime is 2447320831. The next prime is 2447320871. The reversal of 2447320855 is 5580237442.

It is a cyclic number.

It is not a de Polignac number, because 2447320855 - 2¹⁷ = 2447189783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439789 + ... + 445318.

It is an arithmetic number, because the mean of its divisors is an integer number (212425920).

Almost surely, 2^2447320855 is an apocalyptic number.

2447320855 is a deficient number, since it is larger than the sum of its proper divisors (951493865).

2447320855 is an equidigital number, since it uses as much as digits as its factorization.

2447320855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885198.

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 2447320855 is about 49470.4038289562. The cubic root of 2447320855 is about 1347.6081754629.

The spelling of 2447320855 in words is "two billion, four hundred forty-seven million, three hundred twenty thousand, eight hundred fifty-five".