2427778955 has 32 divisors (see below), whose sum is σ = 3396532608. Its totient is φ = 1631462400.

The previous prime is 2427778949. The next prime is 2427778963. The reversal of 2427778955 is 5598777242.

It is not a de Polignac number, because 2427778955 - 2¹⁰ = 2427777931 is a prime.

It is a super-2 number, since 2×2427778955² = 11788221308681784050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2427778955.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 623615 + ... + 627495.

It is an arithmetic number, because the mean of its divisors is an integer number (106141644).

Almost surely, 2^2427778955 is an apocalyptic number.

2427778955 is a deficient number, since it is larger than the sum of its proper divisors (968753653).

2427778955 is a wasteful number, since it uses less digits than its factorization.

2427778955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247.

The product of its digits is 9878400, while the sum is 56.

The square root of 2427778955 is about 49272.4969430209. The cubic root of 2427778955 is about 1344.0116941050.

The spelling of 2427778955 in words is "two billion, four hundred twenty-seven million, seven hundred seventy-eight thousand, nine hundred fifty-five".