2478261558147 has 8 divisors (see below), whose sum is σ = 3304608102144. Its totient is φ = 1652044693128.

The previous prime is 2478261558083. The next prime is 2478261558163. The reversal of 2478261558147 is 7418551628742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2478261558147 - 2⁶ = 2478261558083 is a prime.

It is a super-2 number, since 2×2478261558147² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2478261558197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32375143 + ... + 32451600.

It is an arithmetic number, because the mean of its divisors is an integer number (413076012768).

Almost surely, 2^{2478261558147} is an apocalyptic number.

2478261558147 is a deficient number, since it is larger than the sum of its proper divisors (826346543997).

2478261558147 is a wasteful number, since it uses less digits than its factorization.

2478261558147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64839489.

The product of its digits is 30105600, while the sum is 60.

The spelling of 2478261558147 in words is "two trillion, four hundred seventy-eight billion, two hundred sixty-one million, five hundred fifty-eight thousand, one hundred forty-seven".