2478227562805 has 32 divisors (see below), whose sum is σ = 3067040085120. Its totient is φ = 1921205744640.

The previous prime is 2478227562779. The next prime is 2478227562841. The reversal of 2478227562805 is 5082657228742.

It is not a de Polignac number, because 2478227562805 - 2⁵ = 2478227562773 is a prime.

It is a super-2 number, since 2×2478227562805² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478227562805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143999041 + ... + 144016249.

It is an arithmetic number, because the mean of its divisors is an integer number (95845002660).

Almost surely, 2^{2478227562805} is an apocalyptic number.

It is an amenable number.

2478227562805 is a deficient number, since it is larger than the sum of its proper divisors (588812522315).

2478227562805 is a wasteful number, since it uses less digits than its factorization.

2478227562805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22501.

The product of its (nonzero) digits is 30105600, while the sum is 58.

The spelling of 2478227562805 in words is "two trillion, four hundred seventy-eight billion, two hundred twenty-seven million, five hundred sixty-two thousand, eight hundred five".