2478813567 has 8 divisors (see below), whose sum is σ = 3312225024. Its totient is φ = 1648972248.

The previous prime is 2478813527. The next prime is 2478813593. The reversal of 2478813567 is 7653188742.

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

It is not a de Polignac number, because 2478813567 - 2¹⁸ = 2478551423 is a prime.

It is a super-3 number, since 3×2478813567³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478813527) 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, 890913 + ... + 893690.

It is an arithmetic number, because the mean of its divisors is an integer number (414028128).

Almost surely, 2^2478813567 is an apocalyptic number.

2478813567 is a deficient number, since it is larger than the sum of its proper divisors (833411457).

2478813567 is a wasteful number, since it uses less digits than its factorization.

2478813567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785069.

The product of its digits is 2257920, while the sum is 51.

The square root of 2478813567 is about 49787.6848929532. The cubic root of 2478813567 is about 1353.3640049360.

The spelling of 2478813567 in words is "two billion, four hundred seventy-eight million, eight hundred thirteen thousand, five hundred sixty-seven".