2478671446867 has 8 divisors (see below), whose sum is σ = 3090291674112. Its totient is φ = 1931432296200.

The previous prime is 2478671446847. The next prime is 2478671446897. The reversal of 2478671446867 is 7686441768742.

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

It is not a de Polignac number, because 2478671446867 - 2¹⁹ = 2478670922579 is a prime.

It is a super-2 number, since 2×2478671446867² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2478671446796 and 2478671446805.

It is not an unprimeable number, because it can be changed into a prime (2478671446847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16095269059 + ... + 16095269212.

It is an arithmetic number, because the mean of its divisors is an integer number (386286459264).

Almost surely, 2^{2478671446867} is an apocalyptic number.

2478671446867 is a deficient number, since it is larger than the sum of its proper divisors (611620227245).

2478671446867 is a wasteful number, since it uses less digits than its factorization.

2478671446867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32190538289.

The product of its digits is 606928896, while the sum is 70.

The spelling of 2478671446867 in words is "two trillion, four hundred seventy-eight billion, six hundred seventy-one million, four hundred forty-six thousand, eight hundred sixty-seven".