2478558853 has 4 divisors (see below), whose sum is σ = 2512511788. Its totient is φ = 2444605920.

The previous prime is 2478558811. The next prime is 2478558857. The reversal of 2478558853 is 3588558742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3588558742 = 2 ⋅1794279371.

It can be written as a sum of positive squares in 2 ways, for example, as 1941107364 + 537451489 = 44058^2 + 23183^2 .

It is a cyclic number.

It is not a de Polignac number, because 2478558853 - 2²⁹ = 1941687941 is a prime.

It is a super-2 number, since 2×2478558853² = 12286507975569351218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2478558794 and 2478558803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478558857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16976358 + ... + 16976503.

It is an arithmetic number, because the mean of its divisors is an integer number (628127947).

Almost surely, 2^2478558853 is an apocalyptic number.

It is an amenable number.

2478558853 is a deficient number, since it is larger than the sum of its proper divisors (33952935).

2478558853 is an equidigital number, since it uses as much as digits as its factorization.

2478558853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33952934.

The product of its digits is 10752000, while the sum is 55.

The square root of 2478558853 is about 49785.1268251875. The cubic root of 2478558853 is about 1353.3176477363.

It can be divided in two parts, 24785 and 58853, that added together give a palindrome (83638).

The spelling of 2478558853 in words is "two billion, four hundred seventy-eight million, five hundred fifty-eight thousand, eight hundred fifty-three".